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Finding the Fourth Proportional to 16,581.60, 24,843.60 and 15,544.80

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Solution

The fourth proportional to 16,581.60, 24,843.60 and 15,544.80 is: 23,290.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,581.60 : 24,843.60 = 15,544.80 : x
  2. Step 2: Convert to fraction form
    16,581.60/24,843.60 = 15,544.80/x
  3. Step 3: Cross multiply
    16,581.60x = 24,843.60 × 15,544.80
  4. Step 4: Simplify right side
    16,581.60x = 386,188,793.28
  5. Step 5: Solve for x
    x = 386,188,793.28/16,581.60
  6. Step 6: Final answer
    x = 23,290.20

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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.