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Finding the Fourth Proportional to 27,531.41, 37,990.12 and 16,198.41

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Solution

The fourth proportional to 27,531.41, 37,990.12 and 16,198.41 is: 22,351.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,531.41 : 37,990.12 = 16,198.41 : x
  2. Step 2: Convert to fraction form
    27,531.41/37,990.12 = 16,198.41/x
  3. Step 3: Cross multiply
    27,531.41x = 37,990.12 × 16,198.41
  4. Step 4: Simplify right side
    27,531.41x = 615,379,458.72
  5. Step 5: Solve for x
    x = 615,379,458.72/27,531.41
  6. Step 6: Final answer
    x = 22,351.91

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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.