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Finding the Fourth Proportional to 18,473.97, 27,712.76 and 5,993.49

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Solution

The fourth proportional to 18,473.97, 27,712.76 and 5,993.49 is: 8,990.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,473.97 : 27,712.76 = 5,993.49 : x
  2. Step 2: Convert to fraction form
    18,473.97/27,712.76 = 5,993.49/x
  3. Step 3: Cross multiply
    18,473.97x = 27,712.76 × 5,993.49
  4. Step 4: Simplify right side
    18,473.97x = 166,096,119.96
  5. Step 5: Solve for x
    x = 166,096,119.96/18,473.97
  6. Step 6: Final answer
    x = 8,990.82

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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.