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Finding the Fourth Proportional to 5,471.24, 8,205.24 and 2,008.76

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Solution

The fourth proportional to 5,471.24, 8,205.24 and 2,008.76 is: 3,012.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,471.24 : 8,205.24 = 2,008.76 : x
  2. Step 2: Convert to fraction form
    5,471.24/8,205.24 = 2,008.76/x
  3. Step 3: Cross multiply
    5,471.24x = 8,205.24 × 2,008.76
  4. Step 4: Simplify right side
    5,471.24x = 16,482,357.90
  5. Step 5: Solve for x
    x = 16,482,357.90/5,471.24
  6. Step 6: Final answer
    x = 3,012.55

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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.