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Finding the Fourth Proportional to 62,967.92, 86,893.16 and 36,091.71

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Solution

The fourth proportional to 62,967.92, 86,893.16 and 36,091.71 is: 49,805.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,967.92 : 86,893.16 = 36,091.71 : x
  2. Step 2: Convert to fraction form
    62,967.92/86,893.16 = 36,091.71/x
  3. Step 3: Cross multiply
    62,967.92x = 86,893.16 × 36,091.71
  4. Step 4: Simplify right side
    62,967.92x = 3,136,122,551.25
  5. Step 5: Solve for x
    x = 3,136,122,551.25/62,967.92
  6. Step 6: Final answer
    x = 49,805.09

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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.