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Finding the Fourth Proportional to 35.11, 48.48 and 27.37

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Solution

The fourth proportional to 35.11, 48.48 and 27.37 is: 37.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.11 : 48.48 = 27.37 : x
  2. Step 2: Convert to fraction form
    35.11/48.48 = 27.37/x
  3. Step 3: Cross multiply
    35.11x = 48.48 × 27.37
  4. Step 4: Simplify right side
    35.11x = 1,326.90
  5. Step 5: Solve for x
    x = 1,326.90/35.11
  6. Step 6: Final answer
    x = 37.79

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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.