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Finding the Fourth Proportional to 12,134.52, 18,201.74 and 3,926.52

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Solution

The fourth proportional to 12,134.52, 18,201.74 and 3,926.52 is: 5,889.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,134.52 : 18,201.74 = 3,926.52 : x
  2. Step 2: Convert to fraction form
    12,134.52/18,201.74 = 3,926.52/x
  3. Step 3: Cross multiply
    12,134.52x = 18,201.74 × 3,926.52
  4. Step 4: Simplify right side
    12,134.52x = 71,469,496.14
  5. Step 5: Solve for x
    x = 71,469,496.14/12,134.52
  6. Step 6: Final answer
    x = 5,889.77

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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.