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Finding the Fourth Proportional to 62,863.78, 86,792.97 and 39,025.48

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Solution

The fourth proportional to 62,863.78, 86,792.97 and 39,025.48 is: 53,880.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,863.78 : 86,792.97 = 39,025.48 : x
  2. Step 2: Convert to fraction form
    62,863.78/86,792.97 = 39,025.48/x
  3. Step 3: Cross multiply
    62,863.78x = 86,792.97 × 39,025.48
  4. Step 4: Simplify right side
    62,863.78x = 3,387,137,314.88
  5. Step 5: Solve for x
    x = 3,387,137,314.88/62,863.78
  6. Step 6: Final answer
    x = 53,880.59

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1.5x scale

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.