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Finding the Fourth Proportional to 71,605.92, 107,408.88 and 27,222.24

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Solution

The fourth proportional to 71,605.92, 107,408.88 and 27,222.24 is: 40,833.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,605.92 : 107,408.88 = 27,222.24 : x
  2. Step 2: Convert to fraction form
    71,605.92/107,408.88 = 27,222.24/x
  3. Step 3: Cross multiply
    71,605.92x = 107,408.88 × 27,222.24
  4. Step 4: Simplify right side
    71,605.92x = 2,923,910,309.49
  5. Step 5: Solve for x
    x = 2,923,910,309.49/71,605.92
  6. Step 6: Final answer
    x = 40,833.36

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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.