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Finding the Fourth Proportional to 3,367.97, 4,648.15 and 1,951.23

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Solution

The fourth proportional to 3,367.97, 4,648.15 and 1,951.23 is: 2,692.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,367.97 : 4,648.15 = 1,951.23 : x
  2. Step 2: Convert to fraction form
    3,367.97/4,648.15 = 1,951.23/x
  3. Step 3: Cross multiply
    3,367.97x = 4,648.15 × 1,951.23
  4. Step 4: Simplify right side
    3,367.97x = 9,069,609.72
  5. Step 5: Solve for x
    x = 9,069,609.72/3,367.97
  6. Step 6: Final answer
    x = 2,692.90

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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.