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Finding the Fourth Proportional to 3,676.80, 5,512.96 and 1,367.04

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Solution

The fourth proportional to 3,676.80, 5,512.96 and 1,367.04 is: 2,049.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,676.80 : 5,512.96 = 1,367.04 : x
  2. Step 2: Convert to fraction form
    3,676.80/5,512.96 = 1,367.04/x
  3. Step 3: Cross multiply
    3,676.80x = 5,512.96 × 1,367.04
  4. Step 4: Simplify right side
    3,676.80x = 7,536,436.84
  5. Step 5: Solve for x
    x = 7,536,436.84/3,676.80
  6. Step 6: Final answer
    x = 2,049.73

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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.