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Finding the Fourth Proportional to 44,859, 67,288.50 and 12,027

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Solution

The fourth proportional to 44,859, 67,288.50 and 12,027 is: 18,040.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,859 : 67,288.50 = 12,027 : x
  2. Step 2: Convert to fraction form
    44,859/67,288.50 = 12,027/x
  3. Step 3: Cross multiply
    44,859x = 67,288.50 × 12,027
  4. Step 4: Simplify right side
    44,859x = 809,278,789.50
  5. Step 5: Solve for x
    x = 809,278,789.50/44,859
  6. Step 6: Final answer
    x = 18,040.50

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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.