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Finding the Fourth Proportional to 6,723.96, 10,065.15 and 6,149.88

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Solution

The fourth proportional to 6,723.96, 10,065.15 and 6,149.88 is: 9,205.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,723.96 : 10,065.15 = 6,149.88 : x
  2. Step 2: Convert to fraction form
    6,723.96/10,065.15 = 6,149.88/x
  3. Step 3: Cross multiply
    6,723.96x = 10,065.15 × 6,149.88
  4. Step 4: Simplify right side
    6,723.96x = 61,899,464.68
  5. Step 5: Solve for x
    x = 61,899,464.68/6,723.96
  6. Step 6: Final answer
    x = 9,205.81

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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.