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Finding the Fourth Proportional to 35.62, 48.84 and 34.97

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Solution

The fourth proportional to 35.62, 48.84 and 34.97 is: 47.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.62 : 48.84 = 34.97 : x
  2. Step 2: Convert to fraction form
    35.62/48.84 = 34.97/x
  3. Step 3: Cross multiply
    35.62x = 48.84 × 34.97
  4. Step 4: Simplify right side
    35.62x = 1,708.17
  5. Step 5: Solve for x
    x = 1,708.17/35.62
  6. Step 6: Final answer
    x = 47.95

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.