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Finding the Fourth Proportional to 16,255.92, 22,433.20 and 8,803.92

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Solution

The fourth proportional to 16,255.92, 22,433.20 and 8,803.92 is: 12,149.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,255.92 : 22,433.20 = 8,803.92 : x
  2. Step 2: Convert to fraction form
    16,255.92/22,433.20 = 8,803.92/x
  3. Step 3: Cross multiply
    16,255.92x = 22,433.20 × 8,803.92
  4. Step 4: Simplify right side
    16,255.92x = 197,500,076.13
  5. Step 5: Solve for x
    x = 197,500,076.13/16,255.92
  6. Step 6: Final answer
    x = 12,149.42

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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.