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Finding the Fourth Proportional to 18,027.36, 27,047.52 and 8,667

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Solution

The fourth proportional to 18,027.36, 27,047.52 and 8,667 is: 13,003.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,027.36 : 27,047.52 = 8,667 : x
  2. Step 2: Convert to fraction form
    18,027.36/27,047.52 = 8,667/x
  3. Step 3: Cross multiply
    18,027.36x = 27,047.52 × 8,667
  4. Step 4: Simplify right side
    18,027.36x = 234,420,855.84
  5. Step 5: Solve for x
    x = 234,420,855.84/18,027.36
  6. Step 6: Final answer
    x = 13,003.62

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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.