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Finding the Fourth Proportional to 6,167.78, 9,250.65 and 2,656.83

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Solution

The fourth proportional to 6,167.78, 9,250.65 and 2,656.83 is: 3,984.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,167.78 : 9,250.65 = 2,656.83 : x
  2. Step 2: Convert to fraction form
    6,167.78/9,250.65 = 2,656.83/x
  3. Step 3: Cross multiply
    6,167.78x = 9,250.65 × 2,656.83
  4. Step 4: Simplify right side
    6,167.78x = 24,577,404.44
  5. Step 5: Solve for x
    x = 24,577,404.44/6,167.78
  6. Step 6: Final answer
    x = 3,984.81

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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.