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Finding the Fourth Proportional to 36,800.54, 55,209 and 13,426.97

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Solution

The fourth proportional to 36,800.54, 55,209 and 13,426.97 is: 20,143.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,800.54 : 55,209 = 13,426.97 : x
  2. Step 2: Convert to fraction form
    36,800.54/55,209 = 13,426.97/x
  3. Step 3: Cross multiply
    36,800.54x = 55,209 × 13,426.97
  4. Step 4: Simplify right side
    36,800.54x = 741,289,586.73
  5. Step 5: Solve for x
    x = 741,289,586.73/36,800.54
  6. Step 6: Final answer
    x = 20,143.44

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.