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Finding the Fourth Proportional to 41,791.86, 62,647.82 and 15,489.54

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Solution

The fourth proportional to 41,791.86, 62,647.82 and 15,489.54 is: 23,219.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,791.86 : 62,647.82 = 15,489.54 : x
  2. Step 2: Convert to fraction form
    41,791.86/62,647.82 = 15,489.54/x
  3. Step 3: Cross multiply
    41,791.86x = 62,647.82 × 15,489.54
  4. Step 4: Simplify right side
    41,791.86x = 970,385,913.80
  5. Step 5: Solve for x
    x = 970,385,913.80/41,791.86
  6. Step 6: Final answer
    x = 23,219.50

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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.