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Finding the Fourth Proportional to 27,451.44, 37,855.26 and 22,399.44

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Solution

The fourth proportional to 27,451.44, 37,855.26 and 22,399.44 is: 30,888.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,451.44 : 37,855.26 = 22,399.44 : x
  2. Step 2: Convert to fraction form
    27,451.44/37,855.26 = 22,399.44/x
  3. Step 3: Cross multiply
    27,451.44x = 37,855.26 × 22,399.44
  4. Step 4: Simplify right side
    27,451.44x = 847,936,625.05
  5. Step 5: Solve for x
    x = 847,936,625.05/27,451.44
  6. Step 6: Final answer
    x = 30,888.60

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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.