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Finding the Fourth Proportional to 8,515.44, 12,773.82 and 2,672

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Solution

The fourth proportional to 8,515.44, 12,773.82 and 2,672 is: 4,008.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,515.44 : 12,773.82 = 2,672 : x
  2. Step 2: Convert to fraction form
    8,515.44/12,773.82 = 2,672/x
  3. Step 3: Cross multiply
    8,515.44x = 12,773.82 × 2,672
  4. Step 4: Simplify right side
    8,515.44x = 34,131,647.04
  5. Step 5: Solve for x
    x = 34,131,647.04/8,515.44
  6. Step 6: Final answer
    x = 4,008.21

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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.