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Finding the Fourth Proportional to 60,545.43, 90,813.54 and 26,821.89

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Solution

The fourth proportional to 60,545.43, 90,813.54 and 26,821.89 is: 40,230.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,545.43 : 90,813.54 = 26,821.89 : x
  2. Step 2: Convert to fraction form
    60,545.43/90,813.54 = 26,821.89/x
  3. Step 3: Cross multiply
    60,545.43x = 90,813.54 × 26,821.89
  4. Step 4: Simplify right side
    60,545.43x = 2,435,790,780.39
  5. Step 5: Solve for x
    x = 2,435,790,780.39/60,545.43
  6. Step 6: Final answer
    x = 40,230.79

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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.