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Finding the Fourth Proportional to 18,793.01, 27,974.77 and 18,512.73

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Solution

The fourth proportional to 18,793.01, 27,974.77 and 18,512.73 is: 27,557.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,793.01 : 27,974.77 = 18,512.73 : x
  2. Step 2: Convert to fraction form
    18,793.01/27,974.77 = 18,512.73/x
  3. Step 3: Cross multiply
    18,793.01x = 27,974.77 × 18,512.73
  4. Step 4: Simplify right side
    18,793.01x = 517,889,238.86
  5. Step 5: Solve for x
    x = 517,889,238.86/18,793.01
  6. Step 6: Final answer
    x = 27,557.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.