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Finding the Fourth Proportional to 29.40, 44.11 and 16.57

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Solution

The fourth proportional to 29.40, 44.11 and 16.57 is: 24.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.40 : 44.11 = 16.57 : x
  2. Step 2: Convert to fraction form
    29.40/44.11 = 16.57/x
  3. Step 3: Cross multiply
    29.40x = 44.11 × 16.57
  4. Step 4: Simplify right side
    29.40x = 730.90
  5. Step 5: Solve for x
    x = 730.90/29.40
  6. Step 6: Final answer
    x = 24.86

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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.