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Finding the Fourth Proportional to 35.73, 49.52 and 34.47

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Solution

The fourth proportional to 35.73, 49.52 and 34.47 is: 47.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.73 : 49.52 = 34.47 : x
  2. Step 2: Convert to fraction form
    35.73/49.52 = 34.47/x
  3. Step 3: Cross multiply
    35.73x = 49.52 × 34.47
  4. Step 4: Simplify right side
    35.73x = 1,706.78
  5. Step 5: Solve for x
    x = 1,706.78/35.73
  6. Step 6: Final answer
    x = 47.77

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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.