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प्रश्न
Find the value of x in each of the following proportion:
27 : x : : 63 : 84
उत्तर
27 : x : : 63 : 84
`27/x = 63/84`
x · 63 = 27 × 84
x = `(27 xx 84)/63`
x = 3 × 12
x = 36
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