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Finding the Fourth Proportional to 18,632.22, 27,950.15 and 6,942.70

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Solution

The fourth proportional to 18,632.22, 27,950.15 and 6,942.70 is: 10,414.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,632.22 : 27,950.15 = 6,942.70 : x
  2. Step 2: Convert to fraction form
    18,632.22/27,950.15 = 6,942.70/x
  3. Step 3: Cross multiply
    18,632.22x = 27,950.15 × 6,942.70
  4. Step 4: Simplify right side
    18,632.22x = 194,049,506.41
  5. Step 5: Solve for x
    x = 194,049,506.41/18,632.22
  6. Step 6: Final answer
    x = 10,414.73

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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.