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Finding the Fourth Proportional to 18,632.52, 27,940.14 and 10,843.56

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Solution

The fourth proportional to 18,632.52, 27,940.14 and 10,843.56 is: 16,260.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,632.52 : 27,940.14 = 10,843.56 : x
  2. Step 2: Convert to fraction form
    18,632.52/27,940.14 = 10,843.56/x
  3. Step 3: Cross multiply
    18,632.52x = 27,940.14 × 10,843.56
  4. Step 4: Simplify right side
    18,632.52x = 302,970,584.50
  5. Step 5: Solve for x
    x = 302,970,584.50/18,632.52
  6. Step 6: Final answer
    x = 16,260.31

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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.