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Finding the Fourth Proportional to 18,491.67, 27,732.03 and 5,344.16

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Solution

The fourth proportional to 18,491.67, 27,732.03 and 5,344.16 is: 8,014.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,491.67 : 27,732.03 = 5,344.16 : x
  2. Step 2: Convert to fraction form
    18,491.67/27,732.03 = 5,344.16/x
  3. Step 3: Cross multiply
    18,491.67x = 27,732.03 × 5,344.16
  4. Step 4: Simplify right side
    18,491.67x = 148,204,405.44
  5. Step 5: Solve for x
    x = 148,204,405.44/18,491.67
  6. Step 6: Final answer
    x = 8,014.66

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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.