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Finding the Fourth Proportional to 29.46, 44.07 and 17.85

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Solution

The fourth proportional to 29.46, 44.07 and 17.85 is: 26.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.46 : 44.07 = 17.85 : x
  2. Step 2: Convert to fraction form
    29.46/44.07 = 17.85/x
  3. Step 3: Cross multiply
    29.46x = 44.07 × 17.85
  4. Step 4: Simplify right side
    29.46x = 786.53
  5. Step 5: Solve for x
    x = 786.53/29.46
  6. Step 6: Final answer
    x = 26.70

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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.