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Finding the Fourth Proportional to 23.62, 32.56 and 19.23

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Solution

The fourth proportional to 23.62, 32.56 and 19.23 is: 26.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.62 : 32.56 = 19.23 : x
  2. Step 2: Convert to fraction form
    23.62/32.56 = 19.23/x
  3. Step 3: Cross multiply
    23.62x = 32.56 × 19.23
  4. Step 4: Simplify right side
    23.62x = 626.13
  5. Step 5: Solve for x
    x = 626.13/23.62
  6. Step 6: Final answer
    x = 26.51

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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.