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Finding the Fourth Proportional to 40.16, 60.26 and 16.11

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Solution

The fourth proportional to 40.16, 60.26 and 16.11 is: 24.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40.16 : 60.26 = 16.11 : x
  2. Step 2: Convert to fraction form
    40.16/60.26 = 16.11/x
  3. Step 3: Cross multiply
    40.16x = 60.26 × 16.11
  4. Step 4: Simplify right side
    40.16x = 970.79
  5. Step 5: Solve for x
    x = 970.79/40.16
  6. Step 6: Final answer
    x = 24.17

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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.