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Finding the Fourth Proportional to 59.42, 81.97 and 41

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Solution

The fourth proportional to 59.42, 81.97 and 41 is: 56.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.42 : 81.97 = 41 : x
  2. Step 2: Convert to fraction form
    59.42/81.97 = 41/x
  3. Step 3: Cross multiply
    59.42x = 81.97 × 41
  4. Step 4: Simplify right side
    59.42x = 3,360.77
  5. Step 5: Solve for x
    x = 3,360.77/59.42
  6. Step 6: Final answer
    x = 56.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.