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Finding the Fourth Proportional to 11,262.75, 16,893.99 and 3,872.31

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Solution

The fourth proportional to 11,262.75, 16,893.99 and 3,872.31 is: 5,808.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,262.75 : 16,893.99 = 3,872.31 : x
  2. Step 2: Convert to fraction form
    11,262.75/16,893.99 = 3,872.31/x
  3. Step 3: Cross multiply
    11,262.75x = 16,893.99 × 3,872.31
  4. Step 4: Simplify right side
    11,262.75x = 65,418,766.42
  5. Step 5: Solve for x
    x = 65,418,766.42/11,262.75
  6. Step 6: Final answer
    x = 5,808.42

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.