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Finding the Fourth Proportional to 22.99, 34.48 and 10.97

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Solution

The fourth proportional to 22.99, 34.48 and 10.97 is: 16.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.99 : 34.48 = 10.97 : x
  2. Step 2: Convert to fraction form
    22.99/34.48 = 10.97/x
  3. Step 3: Cross multiply
    22.99x = 34.48 × 10.97
  4. Step 4: Simplify right side
    22.99x = 378.07
  5. Step 5: Solve for x
    x = 378.07/22.99
  6. Step 6: Final answer
    x = 16.45

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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.