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Finding the Fourth Proportional to 34.24, 51.44 and 29.60

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Solution

The fourth proportional to 34.24, 51.44 and 29.60 is: 44.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    34.24 : 51.44 = 29.60 : x
  2. Step 2: Convert to fraction form
    34.24/51.44 = 29.60/x
  3. Step 3: Cross multiply
    34.24x = 51.44 × 29.60
  4. Step 4: Simplify right side
    34.24x = 1,522.62
  5. Step 5: Solve for x
    x = 1,522.62/34.24
  6. Step 6: Final answer
    x = 44.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.