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Finding the Fourth Proportional to 18,367.58, 27,540.99 and 16,800.23

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Solution

The fourth proportional to 18,367.58, 27,540.99 and 16,800.23 is: 25,190.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,367.58 : 27,540.99 = 16,800.23 : x
  2. Step 2: Convert to fraction form
    18,367.58/27,540.99 = 16,800.23/x
  3. Step 3: Cross multiply
    18,367.58x = 27,540.99 × 16,800.23
  4. Step 4: Simplify right side
    18,367.58x = 462,694,828.72
  5. Step 5: Solve for x
    x = 462,694,828.72/18,367.58
  6. Step 6: Final answer
    x = 25,190.85

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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.