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Finding the Fourth Proportional to 48,545.89, 66,989.89 and 27,034.99

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Solution

The fourth proportional to 48,545.89, 66,989.89 and 27,034.99 is: 37,306.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,545.89 : 66,989.89 = 27,034.99 : x
  2. Step 2: Convert to fraction form
    48,545.89/66,989.89 = 27,034.99/x
  3. Step 3: Cross multiply
    48,545.89x = 66,989.89 × 27,034.99
  4. Step 4: Simplify right side
    48,545.89x = 1,811,071,006.25
  5. Step 5: Solve for x
    x = 1,811,071,006.25/48,545.89
  6. Step 6: Final answer
    x = 37,306.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.