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Finding the Fourth Proportional to 55,951.89, 83,906.59 and 18,500.73

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Solution

The fourth proportional to 55,951.89, 83,906.59 and 18,500.73 is: 27,744.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,951.89 : 83,906.59 = 18,500.73 : x
  2. Step 2: Convert to fraction form
    55,951.89/83,906.59 = 18,500.73/x
  3. Step 3: Cross multiply
    55,951.89x = 83,906.59 × 18,500.73
  4. Step 4: Simplify right side
    55,951.89x = 1,552,332,701.03
  5. Step 5: Solve for x
    x = 1,552,332,701.03/55,951.89
  6. Step 6: Final answer
    x = 27,744.06

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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.