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Finding the Fourth Proportional to 27.44, 41.21 and 26.02

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Solution

The fourth proportional to 27.44, 41.21 and 26.02 is: 39.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27.44 : 41.21 = 26.02 : x
  2. Step 2: Convert to fraction form
    27.44/41.21 = 26.02/x
  3. Step 3: Cross multiply
    27.44x = 41.21 × 26.02
  4. Step 4: Simplify right side
    27.44x = 1,072.30
  5. Step 5: Solve for x
    x = 1,072.30/27.44
  6. Step 6: Final answer
    x = 39.08

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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.