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Finding the Fourth Proportional to 8,268.65, 12,404.67 and 2,722.32

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Solution

The fourth proportional to 8,268.65, 12,404.67 and 2,722.32 is: 4,084.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,268.65 : 12,404.67 = 2,722.32 : x
  2. Step 2: Convert to fraction form
    8,268.65/12,404.67 = 2,722.32/x
  3. Step 3: Cross multiply
    8,268.65x = 12,404.67 × 2,722.32
  4. Step 4: Simplify right side
    8,268.65x = 33,769,491.44
  5. Step 5: Solve for x
    x = 33,769,491.44/8,268.65
  6. Step 6: Final answer
    x = 4,084.04

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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.