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Finding the Fourth Proportional to 13,794.44, 20,696.67 and 6,773.72

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Solution

The fourth proportional to 13,794.44, 20,696.67 and 6,773.72 is: 10,163.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,794.44 : 20,696.67 = 6,773.72 : x
  2. Step 2: Convert to fraction form
    13,794.44/20,696.67 = 6,773.72/x
  3. Step 3: Cross multiply
    13,794.44x = 20,696.67 × 6,773.72
  4. Step 4: Simplify right side
    13,794.44x = 140,193,344.03
  5. Step 5: Solve for x
    x = 140,193,344.03/13,794.44
  6. Step 6: Final answer
    x = 10,163.04

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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.