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Finding the Fourth Proportional to 34.44, 51.46 and 33.18

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Solution

The fourth proportional to 34.44, 51.46 and 33.18 is: 49.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    34.44 : 51.46 = 33.18 : x
  2. Step 2: Convert to fraction form
    34.44/51.46 = 33.18/x
  3. Step 3: Cross multiply
    34.44x = 51.46 × 33.18
  4. Step 4: Simplify right side
    34.44x = 1,707.44
  5. Step 5: Solve for x
    x = 1,707.44/34.44
  6. Step 6: Final answer
    x = 49.58

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.