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Finding the Fourth Proportional to 29.97, 44.64 and 28.83

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Solution

The fourth proportional to 29.97, 44.64 and 28.83 is: 42.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.97 : 44.64 = 28.83 : x
  2. Step 2: Convert to fraction form
    29.97/44.64 = 28.83/x
  3. Step 3: Cross multiply
    29.97x = 44.64 × 28.83
  4. Step 4: Simplify right side
    29.97x = 1,286.97
  5. Step 5: Solve for x
    x = 1,286.97/29.97
  6. Step 6: Final answer
    x = 42.94

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.