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Finding the Fourth Proportional to 62,872.88, 94,306.92 and 21,319.84

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Solution

The fourth proportional to 62,872.88, 94,306.92 and 21,319.84 is: 31,978.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,872.88 : 94,306.92 = 21,319.84 : x
  2. Step 2: Convert to fraction form
    62,872.88/94,306.92 = 21,319.84/x
  3. Step 3: Cross multiply
    62,872.88x = 94,306.92 × 21,319.84
  4. Step 4: Simplify right side
    62,872.88x = 2,010,608,445.29
  5. Step 5: Solve for x
    x = 2,010,608,445.29/62,872.88
  6. Step 6: Final answer
    x = 31,978.95

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