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Finding the Fourth Proportional to 24.36, 36.57 and 12.96

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Solution

The fourth proportional to 24.36, 36.57 and 12.96 is: 19.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.36 : 36.57 = 12.96 : x
  2. Step 2: Convert to fraction form
    24.36/36.57 = 12.96/x
  3. Step 3: Cross multiply
    24.36x = 36.57 × 12.96
  4. Step 4: Simplify right side
    24.36x = 473.95
  5. Step 5: Solve for x
    x = 473.95/24.36
  6. Step 6: Final answer
    x = 19.46

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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.