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Finding the Fourth Proportional to 40,398.58, 60,593.56 and 10,819.41

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Solution

The fourth proportional to 40,398.58, 60,593.56 and 10,819.41 is: 16,227.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,398.58 : 60,593.56 = 10,819.41 : x
  2. Step 2: Convert to fraction form
    40,398.58/60,593.56 = 10,819.41/x
  3. Step 3: Cross multiply
    40,398.58x = 60,593.56 × 10,819.41
  4. Step 4: Simplify right side
    40,398.58x = 655,586,569.00
  5. Step 5: Solve for x
    x = 655,586,569.00/40,398.58
  6. Step 6: Final answer
    x = 16,227.96

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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.