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Finding the Fourth Proportional to 58.24, 80.42 and 41

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Solution

The fourth proportional to 58.24, 80.42 and 41 is: 56.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.24 : 80.42 = 41 : x
  2. Step 2: Convert to fraction form
    58.24/80.42 = 41/x
  3. Step 3: Cross multiply
    58.24x = 80.42 × 41
  4. Step 4: Simplify right side
    58.24x = 3,297.22
  5. Step 5: Solve for x
    x = 3,297.22/58.24
  6. Step 6: Final answer
    x = 56.61

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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.