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Finding the Fourth Proportional to 36,993.41, 51,050.13 and 20,226.41

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Solution

The fourth proportional to 36,993.41, 51,050.13 and 20,226.41 is: 27,912.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,993.41 : 51,050.13 = 20,226.41 : x
  2. Step 2: Convert to fraction form
    36,993.41/51,050.13 = 20,226.41/x
  3. Step 3: Cross multiply
    36,993.41x = 51,050.13 × 20,226.41
  4. Step 4: Simplify right side
    36,993.41x = 1,032,560,604.68
  5. Step 5: Solve for x
    x = 1,032,560,604.68/36,993.41
  6. Step 6: Final answer
    x = 27,912.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.