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Finding the Fourth Proportional to 66,760.52, 92,129.51 and 36,545.86

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Solution

The fourth proportional to 66,760.52, 92,129.51 and 36,545.86 is: 50,433.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,760.52 : 92,129.51 = 36,545.86 : x
  2. Step 2: Convert to fraction form
    66,760.52/92,129.51 = 36,545.86/x
  3. Step 3: Cross multiply
    66,760.52x = 92,129.51 × 36,545.86
  4. Step 4: Simplify right side
    66,760.52x = 3,366,952,278.07
  5. Step 5: Solve for x
    x = 3,366,952,278.07/66,760.52
  6. Step 6: Final answer
    x = 50,433.28

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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.