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Finding the Fourth Proportional to 29.73, 44.67 and 20.13

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Solution

The fourth proportional to 29.73, 44.67 and 20.13 is: 30.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.73 : 44.67 = 20.13 : x
  2. Step 2: Convert to fraction form
    29.73/44.67 = 20.13/x
  3. Step 3: Cross multiply
    29.73x = 44.67 × 20.13
  4. Step 4: Simplify right side
    29.73x = 899.21
  5. Step 5: Solve for x
    x = 899.21/29.73
  6. Step 6: Final answer
    x = 30.25

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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.