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Finding the Fourth Proportional to 63,007.52, 94,487.04 and 20,874.80

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Solution

The fourth proportional to 63,007.52, 94,487.04 and 20,874.80 is: 31,304.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,007.52 : 94,487.04 = 20,874.80 : x
  2. Step 2: Convert to fraction form
    63,007.52/94,487.04 = 20,874.80/x
  3. Step 3: Cross multiply
    63,007.52x = 94,487.04 × 20,874.80
  4. Step 4: Simplify right side
    63,007.52x = 1,972,398,062.59
  5. Step 5: Solve for x
    x = 1,972,398,062.59/63,007.52
  6. Step 6: Final answer
    x = 31,304.17

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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.