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Finding the Fourth Proportional to 43.44, 59.68 and 41.28

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Solution

The fourth proportional to 43.44, 59.68 and 41.28 is: 56.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    43.44 : 59.68 = 41.28 : x
  2. Step 2: Convert to fraction form
    43.44/59.68 = 41.28/x
  3. Step 3: Cross multiply
    43.44x = 59.68 × 41.28
  4. Step 4: Simplify right side
    43.44x = 2,463.59
  5. Step 5: Solve for x
    x = 2,463.59/43.44
  6. Step 6: Final answer
    x = 56.71

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.