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Finding the Fourth Proportional to 18,394.54, 27,542.24 and 11,694.80

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Solution

The fourth proportional to 18,394.54, 27,542.24 and 11,694.80 is: 17,510.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,394.54 : 27,542.24 = 11,694.80 : x
  2. Step 2: Convert to fraction form
    18,394.54/27,542.24 = 11,694.80/x
  3. Step 3: Cross multiply
    18,394.54x = 27,542.24 × 11,694.80
  4. Step 4: Simplify right side
    18,394.54x = 322,100,988.35
  5. Step 5: Solve for x
    x = 322,100,988.35/18,394.54
  6. Step 6: Final answer
    x = 17,510.68

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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.