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Finding the Fourth Proportional to 18,062.67, 27,074.19 and 9,298.05

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Solution

The fourth proportional to 18,062.67, 27,074.19 and 9,298.05 is: 13,936.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,062.67 : 27,074.19 = 9,298.05 : x
  2. Step 2: Convert to fraction form
    18,062.67/27,074.19 = 9,298.05/x
  3. Step 3: Cross multiply
    18,062.67x = 27,074.19 × 9,298.05
  4. Step 4: Simplify right side
    18,062.67x = 251,737,172.33
  5. Step 5: Solve for x
    x = 251,737,172.33/18,062.67
  6. Step 6: Final answer
    x = 13,936.87

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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.