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Finding the Fourth Proportional to 60.44, 83.81 and 58.46

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Solution

The fourth proportional to 60.44, 83.81 and 58.46 is: 81.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    60.44 : 83.81 = 58.46 : x
  2. Step 2: Convert to fraction form
    60.44/83.81 = 58.46/x
  3. Step 3: Cross multiply
    60.44x = 83.81 × 58.46
  4. Step 4: Simplify right side
    60.44x = 4,899.53
  5. Step 5: Solve for x
    x = 4,899.53/60.44
  6. Step 6: Final answer
    x = 81.06

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.