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Finding the Fourth Proportional to 29.75, 44.55 and 22.13

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Solution

The fourth proportional to 29.75, 44.55 and 22.13 is: 33.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.75 : 44.55 = 22.13 : x
  2. Step 2: Convert to fraction form
    29.75/44.55 = 22.13/x
  3. Step 3: Cross multiply
    29.75x = 44.55 × 22.13
  4. Step 4: Simplify right side
    29.75x = 985.89
  5. Step 5: Solve for x
    x = 985.89/29.75
  6. Step 6: Final answer
    x = 33.14

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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.