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Finding the Fourth Proportional to 7,163.85, 10,745.28 and 2,233.02

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Solution

The fourth proportional to 7,163.85, 10,745.28 and 2,233.02 is: 3,349.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,163.85 : 10,745.28 = 2,233.02 : x
  2. Step 2: Convert to fraction form
    7,163.85/10,745.28 = 2,233.02/x
  3. Step 3: Cross multiply
    7,163.85x = 10,745.28 × 2,233.02
  4. Step 4: Simplify right side
    7,163.85x = 23,994,425.15
  5. Step 5: Solve for x
    x = 23,994,425.15/7,163.85
  6. Step 6: Final answer
    x = 3,349.38

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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.