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Finding the Fourth Proportional to 18,092.96, 27,099.34 and 13,902.12

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Solution

The fourth proportional to 18,092.96, 27,099.34 and 13,902.12 is: 20,822.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,092.96 : 27,099.34 = 13,902.12 : x
  2. Step 2: Convert to fraction form
    18,092.96/27,099.34 = 13,902.12/x
  3. Step 3: Cross multiply
    18,092.96x = 27,099.34 × 13,902.12
  4. Step 4: Simplify right side
    18,092.96x = 376,738,276.60
  5. Step 5: Solve for x
    x = 376,738,276.60/18,092.96
  6. Step 6: Final answer
    x = 20,822.37

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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.