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Finding the Fourth Proportional to 31,972,354.80, 47,903,419.80 and 14,898,008.40

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Solution

The fourth proportional to 31,972,354.80, 47,903,419.80 and 14,898,008.40 is: 22,321,332.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,972,354.80 : 47,903,419.80 = 14,898,008.40 : x
  2. Step 2: Convert to fraction form
    31,972,354.80/47,903,419.80 = 14,898,008.40/x
  3. Step 3: Cross multiply
    31,972,354.80x = 47,903,419.80 × 14,898,008.40
  4. Step 4: Simplify right side
    31,972,354.80x = 713,665,550,569,126.25
  5. Step 5: Solve for x
    x = 713,665,550,569,126.25/31,972,354.80
  6. Step 6: Final answer
    x = 22,321,332.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.