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Finding the Fourth Proportional to 29.96, 44.90 and 14.71

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Solution

The fourth proportional to 29.96, 44.90 and 14.71 is: 22.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.96 : 44.90 = 14.71 : x
  2. Step 2: Convert to fraction form
    29.96/44.90 = 14.71/x
  3. Step 3: Cross multiply
    29.96x = 44.90 × 14.71
  4. Step 4: Simplify right side
    29.96x = 660.48
  5. Step 5: Solve for x
    x = 660.48/29.96
  6. Step 6: Final answer
    x = 22.05

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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.