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Finding the Fourth Proportional to 29.94, 44.96 and 18.56

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Solution

The fourth proportional to 29.94, 44.96 and 18.56 is: 27.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.94 : 44.96 = 18.56 : x
  2. Step 2: Convert to fraction form
    29.94/44.96 = 18.56/x
  3. Step 3: Cross multiply
    29.94x = 44.96 × 18.56
  4. Step 4: Simplify right side
    29.94x = 834.46
  5. Step 5: Solve for x
    x = 834.46/29.94
  6. Step 6: Final answer
    x = 27.87

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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.