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Finding the Fourth Proportional to 40,793.73, 61,192.10 and 11,213.88

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Solution

The fourth proportional to 40,793.73, 61,192.10 and 11,213.88 is: 16,821.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,793.73 : 61,192.10 = 11,213.88 : x
  2. Step 2: Convert to fraction form
    40,793.73/61,192.10 = 11,213.88/x
  3. Step 3: Cross multiply
    40,793.73x = 61,192.10 × 11,213.88
  4. Step 4: Simplify right side
    40,793.73x = 686,200,866.35
  5. Step 5: Solve for x
    x = 686,200,866.35/40,793.73
  6. Step 6: Final answer
    x = 16,821.23

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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.