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Finding the Fourth Proportional to 51,372, 77,058 and 14,436

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Solution

The fourth proportional to 51,372, 77,058 and 14,436 is: 21,654

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,372 : 77,058 = 14,436 : x
  2. Step 2: Convert to fraction form
    51,372/77,058 = 14,436/x
  3. Step 3: Cross multiply
    51,372x = 77,058 × 14,436
  4. Step 4: Simplify right side
    51,372x = 1,112,409,288
  5. Step 5: Solve for x
    x = 1,112,409,288/51,372
  6. Step 6: Final answer
    x = 21,654

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