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Finding the Fourth Proportional to 41,750.80, 62,633.10 and 20,691.82

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Solution

The fourth proportional to 41,750.80, 62,633.10 and 20,691.82 is: 31,041.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,750.80 : 62,633.10 = 20,691.82 : x
  2. Step 2: Convert to fraction form
    41,750.80/62,633.10 = 20,691.82/x
  3. Step 3: Cross multiply
    41,750.80x = 62,633.10 × 20,691.82
  4. Step 4: Simplify right side
    41,750.80x = 1,295,992,831.24
  5. Step 5: Solve for x
    x = 1,295,992,831.24/41,750.80
  6. Step 6: Final answer
    x = 31,041.15

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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.