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Finding the Fourth Proportional to 40.53, 60.75 and 16.17

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Solution

The fourth proportional to 40.53, 60.75 and 16.17 is: 24.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40.53 : 60.75 = 16.17 : x
  2. Step 2: Convert to fraction form
    40.53/60.75 = 16.17/x
  3. Step 3: Cross multiply
    40.53x = 60.75 × 16.17
  4. Step 4: Simplify right side
    40.53x = 982.19
  5. Step 5: Solve for x
    x = 982.19/40.53
  6. Step 6: Final answer
    x = 24.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.