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Finding the Fourth Proportional to 58.34, 80.41 and 41.94

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Solution

The fourth proportional to 58.34, 80.41 and 41.94 is: 57.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.34 : 80.41 = 41.94 : x
  2. Step 2: Convert to fraction form
    58.34/80.41 = 41.94/x
  3. Step 3: Cross multiply
    58.34x = 80.41 × 41.94
  4. Step 4: Simplify right side
    58.34x = 3,372.40
  5. Step 5: Solve for x
    x = 3,372.40/58.34
  6. Step 6: Final answer
    x = 57.81

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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.