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Finding the Fourth Proportional to 29.18, 40.17 and 24.32

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Solution

The fourth proportional to 29.18, 40.17 and 24.32 is: 33.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.18 : 40.17 = 24.32 : x
  2. Step 2: Convert to fraction form
    29.18/40.17 = 24.32/x
  3. Step 3: Cross multiply
    29.18x = 40.17 × 24.32
  4. Step 4: Simplify right side
    29.18x = 976.93
  5. Step 5: Solve for x
    x = 976.93/29.18
  6. Step 6: Final answer
    x = 33.48

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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.