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Finding the Fourth Proportional to 31,877.04, 47,799.04 and 14,331.88

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Solution

The fourth proportional to 31,877.04, 47,799.04 and 14,331.88 is: 21,490.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,877.04 : 47,799.04 = 14,331.88 : x
  2. Step 2: Convert to fraction form
    31,877.04/47,799.04 = 14,331.88/x
  3. Step 3: Cross multiply
    31,877.04x = 47,799.04 × 14,331.88
  4. Step 4: Simplify right side
    31,877.04x = 685,050,105.40
  5. Step 5: Solve for x
    x = 685,050,105.40/31,877.04
  6. Step 6: Final answer
    x = 21,490.39

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