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Finding the Fourth Proportional to 7,266.80, 10,893.72 and 3,375.92

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Solution

The fourth proportional to 7,266.80, 10,893.72 and 3,375.92 is: 5,060.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,266.80 : 10,893.72 = 3,375.92 : x
  2. Step 2: Convert to fraction form
    7,266.80/10,893.72 = 3,375.92/x
  3. Step 3: Cross multiply
    7,266.80x = 10,893.72 × 3,375.92
  4. Step 4: Simplify right side
    7,266.80x = 36,776,327.22
  5. Step 5: Solve for x
    x = 36,776,327.22/7,266.80
  6. Step 6: Final answer
    x = 5,060.87

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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.