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Finding the Fourth Proportional to 35.44, 49.14 and 34.44

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Solution

The fourth proportional to 35.44, 49.14 and 34.44 is: 47.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.44 : 49.14 = 34.44 : x
  2. Step 2: Convert to fraction form
    35.44/49.14 = 34.44/x
  3. Step 3: Cross multiply
    35.44x = 49.14 × 34.44
  4. Step 4: Simplify right side
    35.44x = 1,692.38
  5. Step 5: Solve for x
    x = 1,692.38/35.44
  6. Step 6: Final answer
    x = 47.75

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.