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Finding the Fourth Proportional to 63,747, 95,542.05 and 28,169.99

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Solution

The fourth proportional to 63,747, 95,542.05 and 28,169.99 is: 42,220.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,747 : 95,542.05 = 28,169.99 : x
  2. Step 2: Convert to fraction form
    63,747/95,542.05 = 28,169.99/x
  3. Step 3: Cross multiply
    63,747x = 95,542.05 × 28,169.99
  4. Step 4: Simplify right side
    63,747x = 2,691,418,115.37
  5. Step 5: Solve for x
    x = 2,691,418,115.37/63,747
  6. Step 6: Final answer
    x = 42,220.31

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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.