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Finding the Fourth Proportional to 63,574.47, 87,723.82 and 38,074.86

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Solution

The fourth proportional to 63,574.47, 87,723.82 and 38,074.86 is: 52,537.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,574.47 : 87,723.82 = 38,074.86 : x
  2. Step 2: Convert to fraction form
    63,574.47/87,723.82 = 38,074.86/x
  3. Step 3: Cross multiply
    63,574.47x = 87,723.82 × 38,074.86
  4. Step 4: Simplify right side
    63,574.47x = 3,340,072,289.29
  5. Step 5: Solve for x
    x = 3,340,072,289.29/63,574.47
  6. Step 6: Final answer
    x = 52,537.95

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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.