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Finding the Fourth Proportional to 18,043.57, 27,058.17 and 6,944.09

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Solution

The fourth proportional to 18,043.57, 27,058.17 and 6,944.09 is: 10,413.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,043.57 : 27,058.17 = 6,944.09 : x
  2. Step 2: Convert to fraction form
    18,043.57/27,058.17 = 6,944.09/x
  3. Step 3: Cross multiply
    18,043.57x = 27,058.17 × 6,944.09
  4. Step 4: Simplify right side
    18,043.57x = 187,894,232.42
  5. Step 5: Solve for x
    x = 187,894,232.42/18,043.57
  6. Step 6: Final answer
    x = 10,413.36

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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.