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Finding the Fourth Proportional to 16,335.92, 24,448.80 and 8,920.64

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Solution

The fourth proportional to 16,335.92, 24,448.80 and 8,920.64 is: 13,350.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,335.92 : 24,448.80 = 8,920.64 : x
  2. Step 2: Convert to fraction form
    16,335.92/24,448.80 = 8,920.64/x
  3. Step 3: Cross multiply
    16,335.92x = 24,448.80 × 8,920.64
  4. Step 4: Simplify right side
    16,335.92x = 218,098,943.23
  5. Step 5: Solve for x
    x = 218,098,943.23/16,335.92
  6. Step 6: Final answer
    x = 13,350.88

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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.