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Finding the Fourth Proportional to 62,388.86, 86,100.11 and 41,153.09

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Solution

The fourth proportional to 62,388.86, 86,100.11 and 41,153.09 is: 56,793.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,388.86 : 86,100.11 = 41,153.09 : x
  2. Step 2: Convert to fraction form
    62,388.86/86,100.11 = 41,153.09/x
  3. Step 3: Cross multiply
    62,388.86x = 86,100.11 × 41,153.09
  4. Step 4: Simplify right side
    62,388.86x = 3,543,284,939.57
  5. Step 5: Solve for x
    x = 3,543,284,939.57/62,388.86
  6. Step 6: Final answer
    x = 56,793.56

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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.