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Finding the Fourth Proportional to 3,168.73, 4,373.85 and 2,049.73

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Solution

The fourth proportional to 3,168.73, 4,373.85 and 2,049.73 is: 2,829.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.73 : 4,373.85 = 2,049.73 : x
  2. Step 2: Convert to fraction form
    3,168.73/4,373.85 = 2,049.73/x
  3. Step 3: Cross multiply
    3,168.73x = 4,373.85 × 2,049.73
  4. Step 4: Simplify right side
    3,168.73x = 8,965,211.56
  5. Step 5: Solve for x
    x = 8,965,211.56/3,168.73
  6. Step 6: Final answer
    x = 2,829.28

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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.