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Finding the Fourth Proportional to 62,499.60, 86,239.08 and 35,644.05

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Solution

The fourth proportional to 62,499.60, 86,239.08 and 35,644.05 is: 49,182.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,499.60 : 86,239.08 = 35,644.05 : x
  2. Step 2: Convert to fraction form
    62,499.60/86,239.08 = 35,644.05/x
  3. Step 3: Cross multiply
    62,499.60x = 86,239.08 × 35,644.05
  4. Step 4: Simplify right side
    62,499.60x = 3,073,910,079.47
  5. Step 5: Solve for x
    x = 3,073,910,079.47/62,499.60
  6. Step 6: Final answer
    x = 49,182.88

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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.