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Finding the Fourth Proportional to 40,361.83, 60,545.01 and 12,282.79

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Solution

The fourth proportional to 40,361.83, 60,545.01 and 12,282.79 is: 18,424.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,361.83 : 60,545.01 = 12,282.79 : x
  2. Step 2: Convert to fraction form
    40,361.83/60,545.01 = 12,282.79/x
  3. Step 3: Cross multiply
    40,361.83x = 60,545.01 × 12,282.79
  4. Step 4: Simplify right side
    40,361.83x = 743,661,916.48
  5. Step 5: Solve for x
    x = 743,661,916.48/40,361.83
  6. Step 6: Final answer
    x = 18,424.88

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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.