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Finding the Fourth Proportional to 6,723.80, 10,082.10 and 2,823.80

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Solution

The fourth proportional to 6,723.80, 10,082.10 and 2,823.80 is: 4,234.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,723.80 : 10,082.10 = 2,823.80 : x
  2. Step 2: Convert to fraction form
    6,723.80/10,082.10 = 2,823.80/x
  3. Step 3: Cross multiply
    6,723.80x = 10,082.10 × 2,823.80
  4. Step 4: Simplify right side
    6,723.80x = 28,469,833.98
  5. Step 5: Solve for x
    x = 28,469,833.98/6,723.80
  6. Step 6: Final answer
    x = 4,234.19

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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.