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Finding the Fourth Proportional to 63,224.74, 87,249.12 and 34,543.79

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Solution

The fourth proportional to 63,224.74, 87,249.12 and 34,543.79 is: 47,669.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,224.74 : 87,249.12 = 34,543.79 : x
  2. Step 2: Convert to fraction form
    63,224.74/87,249.12 = 34,543.79/x
  3. Step 3: Cross multiply
    63,224.74x = 87,249.12 × 34,543.79
  4. Step 4: Simplify right side
    63,224.74x = 3,013,915,209.13
  5. Step 5: Solve for x
    x = 3,013,915,209.13/63,224.74
  6. Step 6: Final answer
    x = 47,669.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.