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Finding the Fourth Proportional to 18,498.66, 27,747.18 and 5,350.74

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Solution

The fourth proportional to 18,498.66, 27,747.18 and 5,350.74 is: 8,025.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,498.66 : 27,747.18 = 5,350.74 : x
  2. Step 2: Convert to fraction form
    18,498.66/27,747.18 = 5,350.74/x
  3. Step 3: Cross multiply
    18,498.66x = 27,747.18 × 5,350.74
  4. Step 4: Simplify right side
    18,498.66x = 148,467,945.91
  5. Step 5: Solve for x
    x = 148,467,945.91/18,498.66
  6. Step 6: Final answer
    x = 8,025.88

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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.