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Finding the Fourth Proportional to 18,615.36, 27,923.22 and 5,467.95

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Solution

The fourth proportional to 18,615.36, 27,923.22 and 5,467.95 is: 8,201.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,615.36 : 27,923.22 = 5,467.95 : x
  2. Step 2: Convert to fraction form
    18,615.36/27,923.22 = 5,467.95/x
  3. Step 3: Cross multiply
    18,615.36x = 27,923.22 × 5,467.95
  4. Step 4: Simplify right side
    18,615.36x = 152,682,770.80
  5. Step 5: Solve for x
    x = 152,682,770.80/18,615.36
  6. Step 6: Final answer
    x = 8,201.98

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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.