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Finding the Fourth Proportional to 41,518.80, 62,302.82 and 38,891.82

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Solution

The fourth proportional to 41,518.80, 62,302.82 and 38,891.82 is: 58,360.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,518.80 : 62,302.82 = 38,891.82 : x
  2. Step 2: Convert to fraction form
    41,518.80/62,302.82 = 38,891.82/x
  3. Step 3: Cross multiply
    41,518.80x = 62,302.82 × 38,891.82
  4. Step 4: Simplify right side
    41,518.80x = 2,423,069,866.47
  5. Step 5: Solve for x
    x = 2,423,069,866.47/41,518.80
  6. Step 6: Final answer
    x = 58,360.79

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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.