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Finding the Fourth Proportional to 63,572.53, 87,669.13 and 38,074.81

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Solution

The fourth proportional to 63,572.53, 87,669.13 and 38,074.81 is: 52,506.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,572.53 : 87,669.13 = 38,074.81 : x
  2. Step 2: Convert to fraction form
    63,572.53/87,669.13 = 38,074.81/x
  3. Step 3: Cross multiply
    63,572.53x = 87,669.13 × 38,074.81
  4. Step 4: Simplify right side
    63,572.53x = 3,337,985,277.24
  5. Step 5: Solve for x
    x = 3,337,985,277.24/63,572.53
  6. Step 6: Final answer
    x = 52,506.72

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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.