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प्रश्न
Find the value of x, when 2.5 : 4 = x : 7.5.
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उत्तर
We are given the proportion: `2.5/4 = x/7.5`
Cross-multiply to solve for x
2.5 × 7.5 = 4 × x
18.75 = 4x
`x = 18.75/4`
x = 4.6875
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