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Finding the Fourth Proportional to 12,046.36, 18,069.34 and 4,154.44

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Solution

The fourth proportional to 12,046.36, 18,069.34 and 4,154.44 is: 6,231.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,046.36 : 18,069.34 = 4,154.44 : x
  2. Step 2: Convert to fraction form
    12,046.36/18,069.34 = 4,154.44/x
  3. Step 3: Cross multiply
    12,046.36x = 18,069.34 × 4,154.44
  4. Step 4: Simplify right side
    12,046.36x = 75,067,988.87
  5. Step 5: Solve for x
    x = 75,067,988.87/12,046.36
  6. Step 6: Final answer
    x = 6,231.59

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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.