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Finding the Fourth Proportional to 62,874.57, 86,811.35 and 41,697.93

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Solution

The fourth proportional to 62,874.57, 86,811.35 and 41,697.93 is: 57,572.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,874.57 : 86,811.35 = 41,697.93 : x
  2. Step 2: Convert to fraction form
    62,874.57/86,811.35 = 41,697.93/x
  3. Step 3: Cross multiply
    62,874.57x = 86,811.35 × 41,697.93
  4. Step 4: Simplify right side
    62,874.57x = 3,619,853,387.02
  5. Step 5: Solve for x
    x = 3,619,853,387.02/62,874.57
  6. Step 6: Final answer
    x = 57,572.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.