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Finding the Fourth Proportional to 34.82, 48.26 and 34.25

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Solution

The fourth proportional to 34.82, 48.26 and 34.25 is: 47.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    34.82 : 48.26 = 34.25 : x
  2. Step 2: Convert to fraction form
    34.82/48.26 = 34.25/x
  3. Step 3: Cross multiply
    34.82x = 48.26 × 34.25
  4. Step 4: Simplify right side
    34.82x = 1,652.49
  5. Step 5: Solve for x
    x = 1,652.49/34.82
  6. Step 6: Final answer
    x = 47.46

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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.