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Finding the Fourth Proportional to 26,163.56, 39,247.80 and 8,633.56

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Solution

The fourth proportional to 26,163.56, 39,247.80 and 8,633.56 is: 12,951.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,163.56 : 39,247.80 = 8,633.56 : x
  2. Step 2: Convert to fraction form
    26,163.56/39,247.80 = 8,633.56/x
  3. Step 3: Cross multiply
    26,163.56x = 39,247.80 × 8,633.56
  4. Step 4: Simplify right side
    26,163.56x = 338,848,236.17
  5. Step 5: Solve for x
    x = 338,848,236.17/26,163.56
  6. Step 6: Final answer
    x = 12,951.15

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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.