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Finding the Fourth Proportional to 6,684.80, 10,023.84 and 2,067.20

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Solution

The fourth proportional to 6,684.80, 10,023.84 and 2,067.20 is: 3,099.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,684.80 : 10,023.84 = 2,067.20 : x
  2. Step 2: Convert to fraction form
    6,684.80/10,023.84 = 2,067.20/x
  3. Step 3: Cross multiply
    6,684.80x = 10,023.84 × 2,067.20
  4. Step 4: Simplify right side
    6,684.80x = 20,721,282.05
  5. Step 5: Solve for x
    x = 20,721,282.05/6,684.80
  6. Step 6: Final answer
    x = 3,099.76

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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.