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Finding the Fourth Proportional to 59,490.86, 89,173.19 and 27,874.26

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Solution

The fourth proportional to 59,490.86, 89,173.19 and 27,874.26 is: 41,781.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,490.86 : 89,173.19 = 27,874.26 : x
  2. Step 2: Convert to fraction form
    59,490.86/89,173.19 = 27,874.26/x
  3. Step 3: Cross multiply
    59,490.86x = 89,173.19 × 27,874.26
  4. Step 4: Simplify right side
    59,490.86x = 2,485,636,752.78
  5. Step 5: Solve for x
    x = 2,485,636,752.78/59,490.86
  6. Step 6: Final answer
    x = 41,781.83

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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.