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Finding the Fourth Proportional to 13,092.41, 18,073.71 and 8,379.42

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Solution

The fourth proportional to 13,092.41, 18,073.71 and 8,379.42 is: 11,567.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,092.41 : 18,073.71 = 8,379.42 : x
  2. Step 2: Convert to fraction form
    13,092.41/18,073.71 = 8,379.42/x
  3. Step 3: Cross multiply
    13,092.41x = 18,073.71 × 8,379.42
  4. Step 4: Simplify right side
    13,092.41x = 151,447,243.40
  5. Step 5: Solve for x
    x = 151,447,243.40/13,092.41
  6. Step 6: Final answer
    x = 11,567.56

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.