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Finding the Fourth Proportional to 17,163.40, 25,745.10 and 15,550.60

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Solution

The fourth proportional to 17,163.40, 25,745.10 and 15,550.60 is: 23,325.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,163.40 : 25,745.10 = 15,550.60 : x
  2. Step 2: Convert to fraction form
    17,163.40/25,745.10 = 15,550.60/x
  3. Step 3: Cross multiply
    17,163.40x = 25,745.10 × 15,550.60
  4. Step 4: Simplify right side
    17,163.40x = 400,351,752.06
  5. Step 5: Solve for x
    x = 400,351,752.06/17,163.40
  6. Step 6: Final answer
    x = 23,325.90

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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.