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Finding the Fourth Proportional to 27,531.37, 37,990.06 and 16,198.37

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Solution

The fourth proportional to 27,531.37, 37,990.06 and 16,198.37 is: 22,351.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,531.37 : 37,990.06 = 16,198.37 : x
  2. Step 2: Convert to fraction form
    27,531.37/37,990.06 = 16,198.37/x
  3. Step 3: Cross multiply
    27,531.37x = 37,990.06 × 16,198.37
  4. Step 4: Simplify right side
    27,531.37x = 615,377,048.20
  5. Step 5: Solve for x
    x = 615,377,048.20/27,531.37
  6. Step 6: Final answer
    x = 22,351.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.