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Finding the Fourth Proportional to 18,062.85, 27,079.70 and 16,604.85

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Solution

The fourth proportional to 18,062.85, 27,079.70 and 16,604.85 is: 24,893.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,062.85 : 27,079.70 = 16,604.85 : x
  2. Step 2: Convert to fraction form
    18,062.85/27,079.70 = 16,604.85/x
  3. Step 3: Cross multiply
    18,062.85x = 27,079.70 × 16,604.85
  4. Step 4: Simplify right side
    18,062.85x = 449,654,273.52
  5. Step 5: Solve for x
    x = 449,654,273.52/18,062.85
  6. Step 6: Final answer
    x = 24,893.87

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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.