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Finding the Fourth Proportional to 18,044.72, 27,054.36 and 6,942.08

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Solution

The fourth proportional to 18,044.72, 27,054.36 and 6,942.08 is: 10,408.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,044.72 : 27,054.36 = 6,942.08 : x
  2. Step 2: Convert to fraction form
    18,044.72/27,054.36 = 6,942.08/x
  3. Step 3: Cross multiply
    18,044.72x = 27,054.36 × 6,942.08
  4. Step 4: Simplify right side
    18,044.72x = 187,813,531.47
  5. Step 5: Solve for x
    x = 187,813,531.47/18,044.72
  6. Step 6: Final answer
    x = 10,408.23

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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.