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Finding the Fourth Proportional to 33,474.21, 50,211.32 and 13,747.47

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Solution

The fourth proportional to 33,474.21, 50,211.32 and 13,747.47 is: 20,621.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,474.21 : 50,211.32 = 13,747.47 : x
  2. Step 2: Convert to fraction form
    33,474.21/50,211.32 = 13,747.47/x
  3. Step 3: Cross multiply
    33,474.21x = 50,211.32 × 13,747.47
  4. Step 4: Simplify right side
    33,474.21x = 690,278,546.62
  5. Step 5: Solve for x
    x = 690,278,546.62/33,474.21
  6. Step 6: Final answer
    x = 20,621.21

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1.5x scale

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.