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Finding the Fourth Proportional to 3,385.74, 5,080.44 and 3,375.44

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Solution

The fourth proportional to 3,385.74, 5,080.44 and 3,375.44 is: 5,064.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,385.74 : 5,080.44 = 3,375.44 : x
  2. Step 2: Convert to fraction form
    3,385.74/5,080.44 = 3,375.44/x
  3. Step 3: Cross multiply
    3,385.74x = 5,080.44 × 3,375.44
  4. Step 4: Simplify right side
    3,385.74x = 17,148,695.03
  5. Step 5: Solve for x
    x = 17,148,695.03/3,385.74
  6. Step 6: Final answer
    x = 5,064.97

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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.