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Finding the Fourth Proportional to 4,545.38, 6,819.78 and 1,467.38

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Solution

The fourth proportional to 4,545.38, 6,819.78 and 1,467.38 is: 2,201.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,545.38 : 6,819.78 = 1,467.38 : x
  2. Step 2: Convert to fraction form
    4,545.38/6,819.78 = 1,467.38/x
  3. Step 3: Cross multiply
    4,545.38x = 6,819.78 × 1,467.38
  4. Step 4: Simplify right side
    4,545.38x = 10,007,174.68
  5. Step 5: Solve for x
    x = 10,007,174.68/4,545.38
  6. Step 6: Final answer
    x = 2,201.62

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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.