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Finding the Fourth Proportional to 29.74, 44.54 and 25.44

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Solution

The fourth proportional to 29.74, 44.54 and 25.44 is: 38.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.74 : 44.54 = 25.44 : x
  2. Step 2: Convert to fraction form
    29.74/44.54 = 25.44/x
  3. Step 3: Cross multiply
    29.74x = 44.54 × 25.44
  4. Step 4: Simplify right side
    29.74x = 1,133.10
  5. Step 5: Solve for x
    x = 1,133.10/29.74
  6. Step 6: Final answer
    x = 38.10

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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.