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Finding the Fourth Proportional to 7,167.56, 10,745.19 and 2,722.73

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Solution

The fourth proportional to 7,167.56, 10,745.19 and 2,722.73 is: 4,081.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,167.56 : 10,745.19 = 2,722.73 : x
  2. Step 2: Convert to fraction form
    7,167.56/10,745.19 = 2,722.73/x
  3. Step 3: Cross multiply
    7,167.56x = 10,745.19 × 2,722.73
  4. Step 4: Simplify right side
    7,167.56x = 29,256,197.44
  5. Step 5: Solve for x
    x = 29,256,197.44/7,167.56
  6. Step 6: Final answer
    x = 4,081.75

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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.