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Finding the Fourth Proportional to 27.49, 38.01 and 25.96

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Solution

The fourth proportional to 27.49, 38.01 and 25.96 is: 35.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27.49 : 38.01 = 25.96 : x
  2. Step 2: Convert to fraction form
    27.49/38.01 = 25.96/x
  3. Step 3: Cross multiply
    27.49x = 38.01 × 25.96
  4. Step 4: Simplify right side
    27.49x = 986.74
  5. Step 5: Solve for x
    x = 986.74/27.49
  6. Step 6: Final answer
    x = 35.89

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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.