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Finding the Fourth Proportional to 29.94, 44.91 and 11.66

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Solution

The fourth proportional to 29.94, 44.91 and 11.66 is: 17.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.94 : 44.91 = 11.66 : x
  2. Step 2: Convert to fraction form
    29.94/44.91 = 11.66/x
  3. Step 3: Cross multiply
    29.94x = 44.91 × 11.66
  4. Step 4: Simplify right side
    29.94x = 523.65
  5. Step 5: Solve for x
    x = 523.65/29.94
  6. Step 6: Final answer
    x = 17.49

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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.