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Finding the Fourth Proportional to 47,385.59, 65,422.82 and 29,487.83

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Solution

The fourth proportional to 47,385.59, 65,422.82 and 29,487.83 is: 40,712.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,385.59 : 65,422.82 = 29,487.83 : x
  2. Step 2: Convert to fraction form
    47,385.59/65,422.82 = 29,487.83/x
  3. Step 3: Cross multiply
    47,385.59x = 65,422.82 × 29,487.83
  4. Step 4: Simplify right side
    47,385.59x = 1,929,176,740.89
  5. Step 5: Solve for x
    x = 1,929,176,740.89/47,385.59
  6. Step 6: Final answer
    x = 40,712.31

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