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Finding the Fourth Proportional to 29.85, 44.74 and 17.67

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Solution

The fourth proportional to 29.85, 44.74 and 17.67 is: 26.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.85 : 44.74 = 17.67 : x
  2. Step 2: Convert to fraction form
    29.85/44.74 = 17.67/x
  3. Step 3: Cross multiply
    29.85x = 44.74 × 17.67
  4. Step 4: Simplify right side
    29.85x = 790.40
  5. Step 5: Solve for x
    x = 790.40/29.85
  6. Step 6: Final answer
    x = 26.48

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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.