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Finding the Fourth Proportional to 55,879.62, 83,874.51 and 41,046.90

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Solution

The fourth proportional to 55,879.62, 83,874.51 and 41,046.90 is: 61,610.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,879.62 : 83,874.51 = 41,046.90 : x
  2. Step 2: Convert to fraction form
    55,879.62/83,874.51 = 41,046.90/x
  3. Step 3: Cross multiply
    55,879.62x = 83,874.51 × 41,046.90
  4. Step 4: Simplify right side
    55,879.62x = 3,442,788,624.52
  5. Step 5: Solve for x
    x = 3,442,788,624.52/55,879.62
  6. Step 6: Final answer
    x = 61,610.81

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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.