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Finding the Fourth Proportional to 33,956, 50,882 and 18,163.28

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Solution

The fourth proportional to 33,956, 50,882 and 18,163.28 is: 27,217.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,956 : 50,882 = 18,163.28 : x
  2. Step 2: Convert to fraction form
    33,956/50,882 = 18,163.28/x
  3. Step 3: Cross multiply
    33,956x = 50,882 × 18,163.28
  4. Step 4: Simplify right side
    33,956x = 924,184,012.96
  5. Step 5: Solve for x
    x = 924,184,012.96/33,956
  6. Step 6: Final answer
    x = 27,217.10

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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.