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Finding the Fourth Proportional to 18,493.24, 27,743.97 and 5,344.62

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Solution

The fourth proportional to 18,493.24, 27,743.97 and 5,344.62 is: 8,018.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,493.24 : 27,743.97 = 5,344.62 : x
  2. Step 2: Convert to fraction form
    18,493.24/27,743.97 = 5,344.62/x
  3. Step 3: Cross multiply
    18,493.24x = 27,743.97 × 5,344.62
  4. Step 4: Simplify right side
    18,493.24x = 148,280,811.50
  5. Step 5: Solve for x
    x = 148,280,811.50/18,493.24
  6. Step 6: Final answer
    x = 8,018.11

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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.