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Finding the Fourth Proportional to 54,793.80, 82,166.40 and 25,220.70

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Solution

The fourth proportional to 54,793.80, 82,166.40 and 25,220.70 is: 37,819.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,793.80 : 82,166.40 = 25,220.70 : x
  2. Step 2: Convert to fraction form
    54,793.80/82,166.40 = 25,220.70/x
  3. Step 3: Cross multiply
    54,793.80x = 82,166.40 × 25,220.70
  4. Step 4: Simplify right side
    54,793.80x = 2,072,294,124.48
  5. Step 5: Solve for x
    x = 2,072,294,124.48/54,793.80
  6. Step 6: Final answer
    x = 37,819.87

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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.