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Finding the Fourth Proportional to 34.26, 51.11 and 29.94

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Solution

The fourth proportional to 34.26, 51.11 and 29.94 is: 44.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    34.26 : 51.11 = 29.94 : x
  2. Step 2: Convert to fraction form
    34.26/51.11 = 29.94/x
  3. Step 3: Cross multiply
    34.26x = 51.11 × 29.94
  4. Step 4: Simplify right side
    34.26x = 1,530.23
  5. Step 5: Solve for x
    x = 1,530.23/34.26
  6. Step 6: Final answer
    x = 44.67

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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.