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Finding the Fourth Proportional to 11,163.70, 16,745.55 and 5,634.10

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Solution

The fourth proportional to 11,163.70, 16,745.55 and 5,634.10 is: 8,451.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,163.70 : 16,745.55 = 5,634.10 : x
  2. Step 2: Convert to fraction form
    11,163.70/16,745.55 = 5,634.10/x
  3. Step 3: Cross multiply
    11,163.70x = 16,745.55 × 5,634.10
  4. Step 4: Simplify right side
    11,163.70x = 94,346,103.26
  5. Step 5: Solve for x
    x = 94,346,103.26/11,163.70
  6. Step 6: Final answer
    x = 8,451.15

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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.