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Finding the Fourth Proportional to 18,329.66, 27,481.03 and 5,842.49

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Solution

The fourth proportional to 18,329.66, 27,481.03 and 5,842.49 is: 8,759.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,329.66 : 27,481.03 = 5,842.49 : x
  2. Step 2: Convert to fraction form
    18,329.66/27,481.03 = 5,842.49/x
  3. Step 3: Cross multiply
    18,329.66x = 27,481.03 × 5,842.49
  4. Step 4: Simplify right side
    18,329.66x = 160,557,642.96
  5. Step 5: Solve for x
    x = 160,557,642.96/18,329.66
  6. Step 6: Final answer
    x = 8,759.44

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1.5x scale

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.