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Finding the Fourth Proportional to 18,414.76, 27,625.92 and 5,936.44

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Solution

The fourth proportional to 18,414.76, 27,625.92 and 5,936.44 is: 8,905.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,414.76 : 27,625.92 = 5,936.44 : x
  2. Step 2: Convert to fraction form
    18,414.76/27,625.92 = 5,936.44/x
  3. Step 3: Cross multiply
    18,414.76x = 27,625.92 × 5,936.44
  4. Step 4: Simplify right side
    18,414.76x = 163,999,616.52
  5. Step 5: Solve for x
    x = 163,999,616.52/18,414.76
  6. Step 6: Final answer
    x = 8,905.88

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1.5x scale

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.