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Finding the Fourth Proportional to 33,229.88, 45,857.23 and 18,325.88

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Solution

The fourth proportional to 33,229.88, 45,857.23 and 18,325.88 is: 25,289.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,229.88 : 45,857.23 = 18,325.88 : x
  2. Step 2: Convert to fraction form
    33,229.88/45,857.23 = 18,325.88/x
  3. Step 3: Cross multiply
    33,229.88x = 45,857.23 × 18,325.88
  4. Step 4: Simplify right side
    33,229.88x = 840,373,819.01
  5. Step 5: Solve for x
    x = 840,373,819.01/33,229.88
  6. Step 6: Final answer
    x = 25,289.71

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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.