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Finding the Fourth Proportional to 29.14, 43.46 and 27

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Solution

The fourth proportional to 29.14, 43.46 and 27 is: 40.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.14 : 43.46 = 27 : x
  2. Step 2: Convert to fraction form
    29.14/43.46 = 27/x
  3. Step 3: Cross multiply
    29.14x = 43.46 × 27
  4. Step 4: Simplify right side
    29.14x = 1,173.39
  5. Step 5: Solve for x
    x = 1,173.39/29.14
  6. Step 6: Final answer
    x = 40.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.