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Finding the Fourth Proportional to 5,651.12, 8,471.21 and 1,950.53

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Solution

The fourth proportional to 5,651.12, 8,471.21 and 1,950.53 is: 2,923.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,651.12 : 8,471.21 = 1,950.53 : x
  2. Step 2: Convert to fraction form
    5,651.12/8,471.21 = 1,950.53/x
  3. Step 3: Cross multiply
    5,651.12x = 8,471.21 × 1,950.53
  4. Step 4: Simplify right side
    5,651.12x = 16,523,350.27
  5. Step 5: Solve for x
    x = 16,523,350.27/5,651.12
  6. Step 6: Final answer
    x = 2,923.91

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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.