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Finding the Fourth Proportional to 62,948.73, 86,880.90 and 36,091.43

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Solution

The fourth proportional to 62,948.73, 86,880.90 and 36,091.43 is: 49,812.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,948.73 : 86,880.90 = 36,091.43 : x
  2. Step 2: Convert to fraction form
    62,948.73/86,880.90 = 36,091.43/x
  3. Step 3: Cross multiply
    62,948.73x = 86,880.90 × 36,091.43
  4. Step 4: Simplify right side
    62,948.73x = 3,135,655,486.28
  5. Step 5: Solve for x
    x = 3,135,655,486.28/62,948.73
  6. Step 6: Final answer
    x = 49,812.85

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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.