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Finding the Fourth Proportional to 3,651.49, 5,472.06 and 2,825.92

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Solution

The fourth proportional to 3,651.49, 5,472.06 and 2,825.92 is: 4,234.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,651.49 : 5,472.06 = 2,825.92 : x
  2. Step 2: Convert to fraction form
    3,651.49/5,472.06 = 2,825.92/x
  3. Step 3: Cross multiply
    3,651.49x = 5,472.06 × 2,825.92
  4. Step 4: Simplify right side
    3,651.49x = 15,463,589.67
  5. Step 5: Solve for x
    x = 15,463,589.67/3,651.49
  6. Step 6: Final answer
    x = 4,234.87

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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.