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Finding the Fourth Proportional to 18,556.67, 27,836.54 and 6,076.42

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Solution

The fourth proportional to 18,556.67, 27,836.54 and 6,076.42 is: 9,115.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,556.67 : 27,836.54 = 6,076.42 : x
  2. Step 2: Convert to fraction form
    18,556.67/27,836.54 = 6,076.42/x
  3. Step 3: Cross multiply
    18,556.67x = 27,836.54 × 6,076.42
  4. Step 4: Simplify right side
    18,556.67x = 169,146,508.39
  5. Step 5: Solve for x
    x = 169,146,508.39/18,556.67
  6. Step 6: Final answer
    x = 9,115.13

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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.