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Finding the Fourth Proportional to 3,659.33, 5,491.85 and 1,469.49

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Solution

The fourth proportional to 3,659.33, 5,491.85 and 1,469.49 is: 2,205.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,659.33 : 5,491.85 = 1,469.49 : x
  2. Step 2: Convert to fraction form
    3,659.33/5,491.85 = 1,469.49/x
  3. Step 3: Cross multiply
    3,659.33x = 5,491.85 × 1,469.49
  4. Step 4: Simplify right side
    3,659.33x = 8,070,211.31
  5. Step 5: Solve for x
    x = 8,070,211.31/3,659.33
  6. Step 6: Final answer
    x = 2,205.38

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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.