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Finding the Fourth Proportional to 51,721.94, 71,375.28 and 29,061.02

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Solution

The fourth proportional to 51,721.94, 71,375.28 and 29,061.02 is: 40,103.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,721.94 : 71,375.28 = 29,061.02 : x
  2. Step 2: Convert to fraction form
    51,721.94/71,375.28 = 29,061.02/x
  3. Step 3: Cross multiply
    51,721.94x = 71,375.28 × 29,061.02
  4. Step 4: Simplify right side
    51,721.94x = 2,074,238,439.59
  5. Step 5: Solve for x
    x = 2,074,238,439.59/51,721.94
  6. Step 6: Final answer
    x = 40,103.65

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