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Finding the Fourth Proportional to 62,863.28, 86,792.28 and 39,024.98

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Solution

The fourth proportional to 62,863.28, 86,792.28 and 39,024.98 is: 53,879.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,863.28 : 86,792.28 = 39,024.98 : x
  2. Step 2: Convert to fraction form
    62,863.28/86,792.28 = 39,024.98/x
  3. Step 3: Cross multiply
    62,863.28x = 86,792.28 × 39,024.98
  4. Step 4: Simplify right side
    62,863.28x = 3,387,066,991.15
  5. Step 5: Solve for x
    x = 3,387,066,991.15/62,863.28
  6. Step 6: Final answer
    x = 53,879.90

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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.