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Finding the Fourth Proportional to 18,163.00, 27,085.56 and 17,996.92

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Solution

The fourth proportional to 18,163.00, 27,085.56 and 17,996.92 is: 26,837.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,163.00 : 27,085.56 = 17,996.92 : x
  2. Step 2: Convert to fraction form
    18,163.00/27,085.56 = 17,996.92/x
  3. Step 3: Cross multiply
    18,163.00x = 27,085.56 × 17,996.92
  4. Step 4: Simplify right side
    18,163.00x = 487,456,521.27
  5. Step 5: Solve for x
    x = 487,456,521.27/18,163.00
  6. Step 6: Final answer
    x = 26,837.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.