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Finding the Fourth Proportional to 26,771.76, 40,163.08 and 9,239.30

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Solution

The fourth proportional to 26,771.76, 40,163.08 and 9,239.30 is: 13,860.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,771.76 : 40,163.08 = 9,239.30 : x
  2. Step 2: Convert to fraction form
    26,771.76/40,163.08 = 9,239.30/x
  3. Step 3: Cross multiply
    26,771.76x = 40,163.08 × 9,239.30
  4. Step 4: Simplify right side
    26,771.76x = 371,078,745.04
  5. Step 5: Solve for x
    x = 371,078,745.04/26,771.76
  6. Step 6: Final answer
    x = 13,860.83

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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.