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Finding the Fourth Proportional to 24.23, 36.15 and 23.64

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Solution

The fourth proportional to 24.23, 36.15 and 23.64 is: 35.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.23 : 36.15 = 23.64 : x
  2. Step 2: Convert to fraction form
    24.23/36.15 = 23.64/x
  3. Step 3: Cross multiply
    24.23x = 36.15 × 23.64
  4. Step 4: Simplify right side
    24.23x = 854.59
  5. Step 5: Solve for x
    x = 854.59/24.23
  6. Step 6: Final answer
    x = 35.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.