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Finding the Fourth Proportional to 41,163.86, 61,738.62 and 11,574.66

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Solution

The fourth proportional to 41,163.86, 61,738.62 and 11,574.66 is: 17,359.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,163.86 : 61,738.62 = 11,574.66 : x
  2. Step 2: Convert to fraction form
    41,163.86/61,738.62 = 11,574.66/x
  3. Step 3: Cross multiply
    41,163.86x = 61,738.62 × 11,574.66
  4. Step 4: Simplify right side
    41,163.86x = 714,603,535.37
  5. Step 5: Solve for x
    x = 714,603,535.37/41,163.86
  6. Step 6: Final answer
    x = 17,359.97

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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.