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Finding the Fourth Proportional to 67,632.86, 101,366.20 and 37,988.38

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Solution

The fourth proportional to 67,632.86, 101,366.20 and 37,988.38 is: 56,935.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,632.86 : 101,366.20 = 37,988.38 : x
  2. Step 2: Convert to fraction form
    67,632.86/101,366.20 = 37,988.38/x
  3. Step 3: Cross multiply
    67,632.86x = 101,366.20 × 37,988.38
  4. Step 4: Simplify right side
    67,632.86x = 3,850,737,724.76
  5. Step 5: Solve for x
    x = 3,850,737,724.76/67,632.86
  6. Step 6: Final answer
    x = 56,935.90

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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.