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Finding the Fourth Proportional to 29.33, 43.99 and 14.12

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Solution

The fourth proportional to 29.33, 43.99 and 14.12 is: 21.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.33 : 43.99 = 14.12 : x
  2. Step 2: Convert to fraction form
    29.33/43.99 = 14.12/x
  3. Step 3: Cross multiply
    29.33x = 43.99 × 14.12
  4. Step 4: Simplify right side
    29.33x = 621.14
  5. Step 5: Solve for x
    x = 621.14/29.33
  6. Step 6: Final answer
    x = 21.18

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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.