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Finding the Fourth Proportional to 8,868.96, 12,233.11 and 6,474.73

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Solution

The fourth proportional to 8,868.96, 12,233.11 and 6,474.73 is: 8,930.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,868.96 : 12,233.11 = 6,474.73 : x
  2. Step 2: Convert to fraction form
    8,868.96/12,233.11 = 6,474.73/x
  3. Step 3: Cross multiply
    8,868.96x = 12,233.11 × 6,474.73
  4. Step 4: Simplify right side
    8,868.96x = 79,206,084.31
  5. Step 5: Solve for x
    x = 79,206,084.31/8,868.96
  6. Step 6: Final answer
    x = 8,930.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.