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Finding the Fourth Proportional to 18,013.44, 27,020.44 and 6,326.80

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Solution

The fourth proportional to 18,013.44, 27,020.44 and 6,326.80 is: 9,490.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,013.44 : 27,020.44 = 6,326.80 : x
  2. Step 2: Convert to fraction form
    18,013.44/27,020.44 = 6,326.80/x
  3. Step 3: Cross multiply
    18,013.44x = 27,020.44 × 6,326.80
  4. Step 4: Simplify right side
    18,013.44x = 170,952,919.79
  5. Step 5: Solve for x
    x = 170,952,919.79/18,013.44
  6. Step 6: Final answer
    x = 9,490.30

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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.