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Finding the Fourth Proportional to 6,912.77, 10,369.77 and 2,230.97

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Solution

The fourth proportional to 6,912.77, 10,369.77 and 2,230.97 is: 3,346.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912.77 : 10,369.77 = 2,230.97 : x
  2. Step 2: Convert to fraction form
    6,912.77/10,369.77 = 2,230.97/x
  3. Step 3: Cross multiply
    6,912.77x = 10,369.77 × 2,230.97
  4. Step 4: Simplify right side
    6,912.77x = 23,134,671.70
  5. Step 5: Solve for x
    x = 23,134,671.70/6,912.77
  6. Step 6: Final answer
    x = 3,346.66

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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.