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Finding the Fourth Proportional to 18,231.33, 27,347.58 and 5,751.47

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Solution

The fourth proportional to 18,231.33, 27,347.58 and 5,751.47 is: 8,627.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,231.33 : 27,347.58 = 5,751.47 : x
  2. Step 2: Convert to fraction form
    18,231.33/27,347.58 = 5,751.47/x
  3. Step 3: Cross multiply
    18,231.33x = 27,347.58 × 5,751.47
  4. Step 4: Simplify right side
    18,231.33x = 157,288,785.94
  5. Step 5: Solve for x
    x = 157,288,785.94/18,231.33
  6. Step 6: Final answer
    x = 8,627.39

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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.