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Finding the Fourth Proportional to 24.46, 36.64 and 12.46

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Solution

The fourth proportional to 24.46, 36.64 and 12.46 is: 18.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.46 : 36.64 = 12.46 : x
  2. Step 2: Convert to fraction form
    24.46/36.64 = 12.46/x
  3. Step 3: Cross multiply
    24.46x = 36.64 × 12.46
  4. Step 4: Simplify right side
    24.46x = 456.53
  5. Step 5: Solve for x
    x = 456.53/24.46
  6. Step 6: Final answer
    x = 18.66

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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.