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Finding the Fourth Proportional to 3,366.54, 5,024.22 and 3,143.73

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Solution

The fourth proportional to 3,366.54, 5,024.22 and 3,143.73 is: 4,691.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,366.54 : 5,024.22 = 3,143.73 : x
  2. Step 2: Convert to fraction form
    3,366.54/5,024.22 = 3,143.73/x
  3. Step 3: Cross multiply
    3,366.54x = 5,024.22 × 3,143.73
  4. Step 4: Simplify right side
    3,366.54x = 15,794,791.14
  5. Step 5: Solve for x
    x = 15,794,791.14/3,366.54
  6. Step 6: Final answer
    x = 4,691.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.