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Finding the Fourth Proportional to 29.91, 44.82 and 23.55

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Solution

The fourth proportional to 29.91, 44.82 and 23.55 is: 35.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.91 : 44.82 = 23.55 : x
  2. Step 2: Convert to fraction form
    29.91/44.82 = 23.55/x
  3. Step 3: Cross multiply
    29.91x = 44.82 × 23.55
  4. Step 4: Simplify right side
    29.91x = 1,055.51
  5. Step 5: Solve for x
    x = 1,055.51/29.91
  6. Step 6: Final answer
    x = 35.29

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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.