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Finding the Fourth Proportional to 40.62, 56 and 24.24

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Solution

The fourth proportional to 40.62, 56 and 24.24 is: 33.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40.62 : 56 = 24.24 : x
  2. Step 2: Convert to fraction form
    40.62/56 = 24.24/x
  3. Step 3: Cross multiply
    40.62x = 56 × 24.24
  4. Step 4: Simplify right side
    40.62x = 1,357.44
  5. Step 5: Solve for x
    x = 1,357.44/40.62
  6. Step 6: Final answer
    x = 33.42

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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.