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Finding the Fourth Proportional to 41,959.05, 62,916.90 and 12,373.12

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Solution

The fourth proportional to 41,959.05, 62,916.90 and 12,373.12 is: 18,553.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,959.05 : 62,916.90 = 12,373.12 : x
  2. Step 2: Convert to fraction form
    41,959.05/62,916.90 = 12,373.12/x
  3. Step 3: Cross multiply
    41,959.05x = 62,916.90 × 12,373.12
  4. Step 4: Simplify right side
    41,959.05x = 778,478,353.73
  5. Step 5: Solve for x
    x = 778,478,353.73/41,959.05
  6. Step 6: Final answer
    x = 18,553.29

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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.