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Finding the Fourth Proportional to 55,593.60, 83,285.73 and 27,480.75

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Solution

The fourth proportional to 55,593.60, 83,285.73 and 27,480.75 is: 41,169.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,593.60 : 83,285.73 = 27,480.75 : x
  2. Step 2: Convert to fraction form
    55,593.60/83,285.73 = 27,480.75/x
  3. Step 3: Cross multiply
    55,593.60x = 83,285.73 × 27,480.75
  4. Step 4: Simplify right side
    55,593.60x = 2,288,754,324.70
  5. Step 5: Solve for x
    x = 2,288,754,324.70/55,593.60
  6. Step 6: Final answer
    x = 41,169.39

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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.