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Finding the Fourth Proportional to 19,627.52, 27,086.24 and 11,244

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Solution

The fourth proportional to 19,627.52, 27,086.24 and 11,244 is: 15,516.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,627.52 : 27,086.24 = 11,244 : x
  2. Step 2: Convert to fraction form
    19,627.52/27,086.24 = 11,244/x
  3. Step 3: Cross multiply
    19,627.52x = 27,086.24 × 11,244
  4. Step 4: Simplify right side
    19,627.52x = 304,557,682.56
  5. Step 5: Solve for x
    x = 304,557,682.56/19,627.52
  6. Step 6: Final answer
    x = 15,516.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.