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Finding the Fourth Proportional to 41,131.40, 61,610.70 and 22,641.80

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Solution

The fourth proportional to 41,131.40, 61,610.70 and 22,641.80 is: 33,915.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,131.40 : 61,610.70 = 22,641.80 : x
  2. Step 2: Convert to fraction form
    41,131.40/61,610.70 = 22,641.80/x
  3. Step 3: Cross multiply
    41,131.40x = 61,610.70 × 22,641.80
  4. Step 4: Simplify right side
    41,131.40x = 1,394,977,147.26
  5. Step 5: Solve for x
    x = 1,394,977,147.26/41,131.40
  6. Step 6: Final answer
    x = 33,915.14

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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.