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Finding the Fourth Proportional to 15.27, 22.88 and 14.33

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Solution

The fourth proportional to 15.27, 22.88 and 14.33 is: 21.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15.27 : 22.88 = 14.33 : x
  2. Step 2: Convert to fraction form
    15.27/22.88 = 14.33/x
  3. Step 3: Cross multiply
    15.27x = 22.88 × 14.33
  4. Step 4: Simplify right side
    15.27x = 327.68
  5. Step 5: Solve for x
    x = 327.68/15.27
  6. Step 6: Final answer
    x = 21.46

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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.