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Finding the Fourth Proportional to 34.88, 52.22 and 23.45

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Solution

The fourth proportional to 34.88, 52.22 and 23.45 is: 35.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    34.88 : 52.22 = 23.45 : x
  2. Step 2: Convert to fraction form
    34.88/52.22 = 23.45/x
  3. Step 3: Cross multiply
    34.88x = 52.22 × 23.45
  4. Step 4: Simplify right side
    34.88x = 1,224.36
  5. Step 5: Solve for x
    x = 1,224.36/34.88
  6. Step 6: Final answer
    x = 35.11

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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.