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Finding the Fourth Proportional to 41,898.73, 57,819.55 and 22,778.98

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Solution

The fourth proportional to 41,898.73, 57,819.55 and 22,778.98 is: 31,434.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,898.73 : 57,819.55 = 22,778.98 : x
  2. Step 2: Convert to fraction form
    41,898.73/57,819.55 = 22,778.98/x
  3. Step 3: Cross multiply
    41,898.73x = 57,819.55 × 22,778.98
  4. Step 4: Simplify right side
    41,898.73x = 1,317,070,373.06
  5. Step 5: Solve for x
    x = 1,317,070,373.06/41,898.73
  6. Step 6: Final answer
    x = 31,434.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.