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Finding the Fourth Proportional to 3,677.78, 5,505.87 and 2,375.54

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Solution

The fourth proportional to 3,677.78, 5,505.87 and 2,375.54 is: 3,556.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,677.78 : 5,505.87 = 2,375.54 : x
  2. Step 2: Convert to fraction form
    3,677.78/5,505.87 = 2,375.54/x
  3. Step 3: Cross multiply
    3,677.78x = 5,505.87 × 2,375.54
  4. Step 4: Simplify right side
    3,677.78x = 13,079,414.42
  5. Step 5: Solve for x
    x = 13,079,414.42/3,677.78
  6. Step 6: Final answer
    x = 3,556.33

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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.