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Finding the Fourth Proportional to 40.33, 60.73 and 33.94

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Solution

The fourth proportional to 40.33, 60.73 and 33.94 is: 51.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40.33 : 60.73 = 33.94 : x
  2. Step 2: Convert to fraction form
    40.33/60.73 = 33.94/x
  3. Step 3: Cross multiply
    40.33x = 60.73 × 33.94
  4. Step 4: Simplify right side
    40.33x = 2,061.18
  5. Step 5: Solve for x
    x = 2,061.18/40.33
  6. Step 6: Final answer
    x = 51.11

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.