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Finding the Fourth Proportional to 23.80, 35.64 and 22.48

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Solution

The fourth proportional to 23.80, 35.64 and 22.48 is: 33.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.80 : 35.64 = 22.48 : x
  2. Step 2: Convert to fraction form
    23.80/35.64 = 22.48/x
  3. Step 3: Cross multiply
    23.80x = 35.64 × 22.48
  4. Step 4: Simplify right side
    23.80x = 801.19
  5. Step 5: Solve for x
    x = 801.19/23.80
  6. Step 6: Final answer
    x = 33.66

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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.