$\"\"$

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The proportion is $\"\"$ .

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$\"\"$ (Orginal proportion)

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$\"\"$ (Find the cross products)

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$\"\"$ (Multiply)

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$\"\"$ (Divide each side by $\"\"$ )

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$\"\"$ (Cancel common terms)

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Therefore, the value of $\"\"$ is $\"\"$ . $\"\"$

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The value of $\"\"$ is $\"\"$ .