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Finding the Fourth Proportional to 62,827.44, 86,705.97 and 38,969.97

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Solution

The fourth proportional to 62,827.44, 86,705.97 and 38,969.97 is: 53,781.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,827.44 : 86,705.97 = 38,969.97 : x
  2. Step 2: Convert to fraction form
    62,827.44/86,705.97 = 38,969.97/x
  3. Step 3: Cross multiply
    62,827.44x = 86,705.97 × 38,969.97
  4. Step 4: Simplify right side
    62,827.44x = 3,378,929,049.72
  5. Step 5: Solve for x
    x = 3,378,929,049.72/62,827.44
  6. Step 6: Final answer
    x = 53,781.10

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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.