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Finding the Fourth Proportional to 60.94, 84.10 and 36.41

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Solution

The fourth proportional to 60.94, 84.10 and 36.41 is: 50.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    60.94 : 84.10 = 36.41 : x
  2. Step 2: Convert to fraction form
    60.94/84.10 = 36.41/x
  3. Step 3: Cross multiply
    60.94x = 84.10 × 36.41
  4. Step 4: Simplify right side
    60.94x = 3,061.66
  5. Step 5: Solve for x
    x = 3,061.66/60.94
  6. Step 6: Final answer
    x = 50.24

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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.