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Finding the Fourth Proportional to 40,617.25, 60,922.01 and 12,529.76

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Solution

The fourth proportional to 40,617.25, 60,922.01 and 12,529.76 is: 18,793.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,617.25 : 60,922.01 = 12,529.76 : x
  2. Step 2: Convert to fraction form
    40,617.25/60,922.01 = 12,529.76/x
  3. Step 3: Cross multiply
    40,617.25x = 60,922.01 × 12,529.76
  4. Step 4: Simplify right side
    40,617.25x = 763,337,890.73
  5. Step 5: Solve for x
    x = 763,337,890.73/40,617.25
  6. Step 6: Final answer
    x = 18,793.44

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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.