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Finding the Fourth Proportional to 29.95, 41.33 and 17.67

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Solution

The fourth proportional to 29.95, 41.33 and 17.67 is: 24.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.95 : 41.33 = 17.67 : x
  2. Step 2: Convert to fraction form
    29.95/41.33 = 17.67/x
  3. Step 3: Cross multiply
    29.95x = 41.33 × 17.67
  4. Step 4: Simplify right side
    29.95x = 730.30
  5. Step 5: Solve for x
    x = 730.30/29.95
  6. Step 6: Final answer
    x = 24.38

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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.