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Finding the Fourth Proportional to 29.62, 40.91 and 24.18

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Solution

The fourth proportional to 29.62, 40.91 and 24.18 is: 33.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.62 : 40.91 = 24.18 : x
  2. Step 2: Convert to fraction form
    29.62/40.91 = 24.18/x
  3. Step 3: Cross multiply
    29.62x = 40.91 × 24.18
  4. Step 4: Simplify right side
    29.62x = 989.20
  5. Step 5: Solve for x
    x = 989.20/29.62
  6. Step 6: Final answer
    x = 33.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.