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Finding the Fourth Proportional to 29.97, 44.93 and 19.11

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Solution

The fourth proportional to 29.97, 44.93 and 19.11 is: 28.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.97 : 44.93 = 19.11 : x
  2. Step 2: Convert to fraction form
    29.97/44.93 = 19.11/x
  3. Step 3: Cross multiply
    29.97x = 44.93 × 19.11
  4. Step 4: Simplify right side
    29.97x = 858.52
  5. Step 5: Solve for x
    x = 858.52/29.97
  6. Step 6: Final answer
    x = 28.65

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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.