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Finding the Fourth Proportional to 36.14, 49.74 and 34.52

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Solution

The fourth proportional to 36.14, 49.74 and 34.52 is: 47.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.14 : 49.74 = 34.52 : x
  2. Step 2: Convert to fraction form
    36.14/49.74 = 34.52/x
  3. Step 3: Cross multiply
    36.14x = 49.74 × 34.52
  4. Step 4: Simplify right side
    36.14x = 1,717.02
  5. Step 5: Solve for x
    x = 1,717.02/36.14
  6. Step 6: Final answer
    x = 47.51

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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.