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Finding the Fourth Proportional to 7,167.13, 10,745.11 and 3,416.96

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Solution

The fourth proportional to 7,167.13, 10,745.11 and 3,416.96 is: 5,122.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,167.13 : 10,745.11 = 3,416.96 : x
  2. Step 2: Convert to fraction form
    7,167.13/10,745.11 = 3,416.96/x
  3. Step 3: Cross multiply
    7,167.13x = 10,745.11 × 3,416.96
  4. Step 4: Simplify right side
    7,167.13x = 36,715,642.20
  5. Step 5: Solve for x
    x = 36,715,642.20/7,167.13
  6. Step 6: Final answer
    x = 5,122.78

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.