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Finding the Fourth Proportional to 8,163.98, 11,250.16 and 5,799.50

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Solution

The fourth proportional to 8,163.98, 11,250.16 and 5,799.50 is: 7,991.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,163.98 : 11,250.16 = 5,799.50 : x
  2. Step 2: Convert to fraction form
    8,163.98/11,250.16 = 5,799.50/x
  3. Step 3: Cross multiply
    8,163.98x = 11,250.16 × 5,799.50
  4. Step 4: Simplify right side
    8,163.98x = 65,245,232.17
  5. Step 5: Solve for x
    x = 65,245,232.17/8,163.98
  6. Step 6: Final answer
    x = 7,991.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.