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Finding the Fourth Proportional to 18,227.97, 27,440.43 and 16,394.95

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Solution

The fourth proportional to 18,227.97, 27,440.43 and 16,394.95 is: 24,680.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,227.97 : 27,440.43 = 16,394.95 : x
  2. Step 2: Convert to fraction form
    18,227.97/27,440.43 = 16,394.95/x
  3. Step 3: Cross multiply
    18,227.97x = 27,440.43 × 16,394.95
  4. Step 4: Simplify right side
    18,227.97x = 449,884,450.21
  5. Step 5: Solve for x
    x = 449,884,450.21/18,227.97
  6. Step 6: Final answer
    x = 24,680.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.