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Finding the Fourth Proportional to 18,049.92, 24,906.24 and 10,392.72

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Solution

The fourth proportional to 18,049.92, 24,906.24 and 10,392.72 is: 14,340.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,049.92 : 24,906.24 = 10,392.72 : x
  2. Step 2: Convert to fraction form
    18,049.92/24,906.24 = 10,392.72/x
  3. Step 3: Cross multiply
    18,049.92x = 24,906.24 × 10,392.72
  4. Step 4: Simplify right side
    18,049.92x = 258,843,578.57
  5. Step 5: Solve for x
    x = 258,843,578.57/18,049.92
  6. Step 6: Final answer
    x = 14,340.43

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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.