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Finding the Fourth Proportional to 29.62, 44.21 and 29.02

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Solution

The fourth proportional to 29.62, 44.21 and 29.02 is: 43.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.62 : 44.21 = 29.02 : x
  2. Step 2: Convert to fraction form
    29.62/44.21 = 29.02/x
  3. Step 3: Cross multiply
    29.62x = 44.21 × 29.02
  4. Step 4: Simplify right side
    29.62x = 1,282.97
  5. Step 5: Solve for x
    x = 1,282.97/29.62
  6. Step 6: Final answer
    x = 43.31

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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.