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Finding the Fourth Proportional to 18,310.20, 27,463.70 and 5,998.20

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Solution

The fourth proportional to 18,310.20, 27,463.70 and 5,998.20 is: 8,996.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,310.20 : 27,463.70 = 5,998.20 : x
  2. Step 2: Convert to fraction form
    18,310.20/27,463.70 = 5,998.20/x
  3. Step 3: Cross multiply
    18,310.20x = 27,463.70 × 5,998.20
  4. Step 4: Simplify right side
    18,310.20x = 164,732,765.34
  5. Step 5: Solve for x
    x = 164,732,765.34/18,310.20
  6. Step 6: Final answer
    x = 8,996.78

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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.