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Finding the Fourth Proportional to 18,002.87, 24,843.75 and 9,936.59

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Solution

The fourth proportional to 18,002.87, 24,843.75 and 9,936.59 is: 13,712.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,002.87 : 24,843.75 = 9,936.59 : x
  2. Step 2: Convert to fraction form
    18,002.87/24,843.75 = 9,936.59/x
  3. Step 3: Cross multiply
    18,002.87x = 24,843.75 × 9,936.59
  4. Step 4: Simplify right side
    18,002.87x = 246,861,996.33
  5. Step 5: Solve for x
    x = 246,861,996.33/18,002.87
  6. Step 6: Final answer
    x = 13,712.37

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1.5x scale

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.