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Finding the Fourth Proportional to 41,220.61, 61,810.12 and 29,367.61

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Solution

The fourth proportional to 41,220.61, 61,810.12 and 29,367.61 is: 44,036.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,220.61 : 61,810.12 = 29,367.61 : x
  2. Step 2: Convert to fraction form
    41,220.61/61,810.12 = 29,367.61/x
  3. Step 3: Cross multiply
    41,220.61x = 61,810.12 × 29,367.61
  4. Step 4: Simplify right side
    41,220.61x = 1,815,215,498.21
  5. Step 5: Solve for x
    x = 1,815,215,498.21/41,220.61
  6. Step 6: Final answer
    x = 44,036.60

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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.