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Finding the Fourth Proportional to 25.44, 34.99 and 24.22

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Solution

The fourth proportional to 25.44, 34.99 and 24.22 is: 33.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.44 : 34.99 = 24.22 : x
  2. Step 2: Convert to fraction form
    25.44/34.99 = 24.22/x
  3. Step 3: Cross multiply
    25.44x = 34.99 × 24.22
  4. Step 4: Simplify right side
    25.44x = 847.46
  5. Step 5: Solve for x
    x = 847.46/25.44
  6. Step 6: Final answer
    x = 33.31

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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.