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Finding the Fourth Proportional to 83,730.60, 125,616.15 and 24,568.20

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Solution

The fourth proportional to 83,730.60, 125,616.15 and 24,568.20 is: 36,858.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,730.60 : 125,616.15 = 24,568.20 : x
  2. Step 2: Convert to fraction form
    83,730.60/125,616.15 = 24,568.20/x
  3. Step 3: Cross multiply
    83,730.60x = 125,616.15 × 24,568.20
  4. Step 4: Simplify right side
    83,730.60x = 3,086,162,696.43
  5. Step 5: Solve for x
    x = 3,086,162,696.43/83,730.60
  6. Step 6: Final answer
    x = 36,858.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.