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Finding the Fourth Proportional to 49,163.76, 73,745.90 and 12,227.76

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Solution

The fourth proportional to 49,163.76, 73,745.90 and 12,227.76 is: 18,341.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,163.76 : 73,745.90 = 12,227.76 : x
  2. Step 2: Convert to fraction form
    49,163.76/73,745.90 = 12,227.76/x
  3. Step 3: Cross multiply
    49,163.76x = 73,745.90 × 12,227.76
  4. Step 4: Simplify right side
    49,163.76x = 901,747,166.18
  5. Step 5: Solve for x
    x = 901,747,166.18/49,163.76
  6. Step 6: Final answer
    x = 18,341.70

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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.