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Finding the Fourth Proportional to 62,938.98, 86,853.22 and 36,062.79

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Solution

The fourth proportional to 62,938.98, 86,853.22 and 36,062.79 is: 49,765.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,938.98 : 86,853.22 = 36,062.79 : x
  2. Step 2: Convert to fraction form
    62,938.98/86,853.22 = 36,062.79/x
  3. Step 3: Cross multiply
    62,938.98x = 86,853.22 × 36,062.79
  4. Step 4: Simplify right side
    62,938.98x = 3,132,169,433.68
  5. Step 5: Solve for x
    x = 3,132,169,433.68/62,938.98
  6. Step 6: Final answer
    x = 49,765.18

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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.