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Finding the Fourth Proportional to 3,650.99, 5,471.31 and 2,825.42

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Solution

The fourth proportional to 3,650.99, 5,471.31 and 2,825.42 is: 4,234.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,650.99 : 5,471.31 = 2,825.42 : x
  2. Step 2: Convert to fraction form
    3,650.99/5,471.31 = 2,825.42/x
  3. Step 3: Cross multiply
    3,650.99x = 5,471.31 × 2,825.42
  4. Step 4: Simplify right side
    3,650.99x = 15,458,720.89
  5. Step 5: Solve for x
    x = 15,458,720.89/3,650.99
  6. Step 6: Final answer
    x = 4,234.12

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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.