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Finding the Fourth Proportional to 3,472.70, 5,202.98 and 2,891.44

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Solution

The fourth proportional to 3,472.70, 5,202.98 and 2,891.44 is: 4,332.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,472.70 : 5,202.98 = 2,891.44 : x
  2. Step 2: Convert to fraction form
    3,472.70/5,202.98 = 2,891.44/x
  3. Step 3: Cross multiply
    3,472.70x = 5,202.98 × 2,891.44
  4. Step 4: Simplify right side
    3,472.70x = 15,044,104.49
  5. Step 5: Solve for x
    x = 15,044,104.49/3,472.70
  6. Step 6: Final answer
    x = 4,332.11

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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.