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Finding the Fourth Proportional to 15,033.60, 22,520.16 and 8,449.92

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Solution

The fourth proportional to 15,033.60, 22,520.16 and 8,449.92 is: 12,657.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,033.60 : 22,520.16 = 8,449.92 : x
  2. Step 2: Convert to fraction form
    15,033.60/22,520.16 = 8,449.92/x
  3. Step 3: Cross multiply
    15,033.60x = 22,520.16 × 8,449.92
  4. Step 4: Simplify right side
    15,033.60x = 190,293,550.39
  5. Step 5: Solve for x
    x = 190,293,550.39/15,033.60
  6. Step 6: Final answer
    x = 12,657.88

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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.