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Finding the Fourth Proportional to 62,379.76, 86,074.68 and 35,523.28

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Solution

The fourth proportional to 62,379.76, 86,074.68 and 35,523.28 is: 49,016.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,379.76 : 86,074.68 = 35,523.28 : x
  2. Step 2: Convert to fraction form
    62,379.76/86,074.68 = 35,523.28/x
  3. Step 3: Cross multiply
    62,379.76x = 86,074.68 × 35,523.28
  4. Step 4: Simplify right side
    62,379.76x = 3,057,654,958.55
  5. Step 5: Solve for x
    x = 3,057,654,958.55/62,379.76
  6. Step 6: Final answer
    x = 49,016.78

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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.