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Finding the Fourth Proportional to 6,616.26, 9,923.25 and 1,872.75

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Solution

The fourth proportional to 6,616.26, 9,923.25 and 1,872.75 is: 2,808.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,616.26 : 9,923.25 = 1,872.75 : x
  2. Step 2: Convert to fraction form
    6,616.26/9,923.25 = 1,872.75/x
  3. Step 3: Cross multiply
    6,616.26x = 9,923.25 × 1,872.75
  4. Step 4: Simplify right side
    6,616.26x = 18,583,766.44
  5. Step 5: Solve for x
    x = 18,583,766.44/6,616.26
  6. Step 6: Final answer
    x = 2,808.80

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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.