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Finding the Fourth Proportional to 33,676.43, 50,449.03 and 20,496.11

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Solution

The fourth proportional to 33,676.43, 50,449.03 and 20,496.11 is: 30,704.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,676.43 : 50,449.03 = 20,496.11 : x
  2. Step 2: Convert to fraction form
    33,676.43/50,449.03 = 20,496.11/x
  3. Step 3: Cross multiply
    33,676.43x = 50,449.03 × 20,496.11
  4. Step 4: Simplify right side
    33,676.43x = 1,034,008,564.79
  5. Step 5: Solve for x
    x = 1,034,008,564.79/33,676.43
  6. Step 6: Final answer
    x = 30,704.23

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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.