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Finding the Fourth Proportional to 60,855.60, 91,269.60 and 27,553.68

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Solution

The fourth proportional to 60,855.60, 91,269.60 and 27,553.68 is: 41,324.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,855.60 : 91,269.60 = 27,553.68 : x
  2. Step 2: Convert to fraction form
    60,855.60/91,269.60 = 27,553.68/x
  3. Step 3: Cross multiply
    60,855.60x = 91,269.60 × 27,553.68
  4. Step 4: Simplify right side
    60,855.60x = 2,514,813,352.13
  5. Step 5: Solve for x
    x = 2,514,813,352.13/60,855.60
  6. Step 6: Final answer
    x = 41,324.27

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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.