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Finding the Fourth Proportional to 33.10, 49.66 and 24.15

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Solution

The fourth proportional to 33.10, 49.66 and 24.15 is: 36.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.10 : 49.66 = 24.15 : x
  2. Step 2: Convert to fraction form
    33.10/49.66 = 24.15/x
  3. Step 3: Cross multiply
    33.10x = 49.66 × 24.15
  4. Step 4: Simplify right side
    33.10x = 1,199.47
  5. Step 5: Solve for x
    x = 1,199.47/33.10
  6. Step 6: Final answer
    x = 36.24

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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.