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Finding the Fourth Proportional to 40.22, 60.29 and 16.16

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Solution

The fourth proportional to 40.22, 60.29 and 16.16 is: 24.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40.22 : 60.29 = 16.16 : x
  2. Step 2: Convert to fraction form
    40.22/60.29 = 16.16/x
  3. Step 3: Cross multiply
    40.22x = 60.29 × 16.16
  4. Step 4: Simplify right side
    40.22x = 974.29
  5. Step 5: Solve for x
    x = 974.29/40.22
  6. Step 6: Final answer
    x = 24.22

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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.