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Finding the Fourth Proportional to 41,791.54, 62,646 and 15,489.22

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Solution

The fourth proportional to 41,791.54, 62,646 and 15,489.22 is: 23,218.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,791.54 : 62,646 = 15,489.22 : x
  2. Step 2: Convert to fraction form
    41,791.54/62,646 = 15,489.22/x
  3. Step 3: Cross multiply
    41,791.54x = 62,646 × 15,489.22
  4. Step 4: Simplify right side
    41,791.54x = 970,337,676.12
  5. Step 5: Solve for x
    x = 970,337,676.12/41,791.54
  6. Step 6: Final answer
    x = 23,218.52

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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.