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Finding the Fourth Proportional to 29.69, 44.50 and 11.64

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Solution

The fourth proportional to 29.69, 44.50 and 11.64 is: 17.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.69 : 44.50 = 11.64 : x
  2. Step 2: Convert to fraction form
    29.69/44.50 = 11.64/x
  3. Step 3: Cross multiply
    29.69x = 44.50 × 11.64
  4. Step 4: Simplify right side
    29.69x = 517.70
  5. Step 5: Solve for x
    x = 517.70/29.69
  6. Step 6: Final answer
    x = 17.44

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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.