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Finding the Fourth Proportional to 12,105.69, 18,134.25 and 6,182.34

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Solution

The fourth proportional to 12,105.69, 18,134.25 and 6,182.34 is: 9,261.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,105.69 : 18,134.25 = 6,182.34 : x
  2. Step 2: Convert to fraction form
    12,105.69/18,134.25 = 6,182.34/x
  3. Step 3: Cross multiply
    12,105.69x = 18,134.25 × 6,182.34
  4. Step 4: Simplify right side
    12,105.69x = 112,112,099.15
  5. Step 5: Solve for x
    x = 112,112,099.15/12,105.69
  6. Step 6: Final answer
    x = 9,261.11

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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.