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Finding the Fourth Proportional to 41,558.80, 62,359.80 and 18,187.60

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Solution

The fourth proportional to 41,558.80, 62,359.80 and 18,187.60 is: 27,290.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,558.80 : 62,359.80 = 18,187.60 : x
  2. Step 2: Convert to fraction form
    41,558.80/62,359.80 = 18,187.60/x
  3. Step 3: Cross multiply
    41,558.80x = 62,359.80 × 18,187.60
  4. Step 4: Simplify right side
    41,558.80x = 1,134,175,098.48
  5. Step 5: Solve for x
    x = 1,134,175,098.48/41,558.80
  6. Step 6: Final answer
    x = 27,290.85

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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.