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प्रश्न
Find the value of x so that the given four numbers are in proportion:
x, 4, 15 and 30
उत्तर
x : 4 : 15 : 30
⇒ x × 30 = 4 × 15
⇒ x = `(4xx15)/30` = 2.
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संबंधित प्रश्न
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