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Finding the Fourth Proportional to 24.66, 34 and 19.46

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Solution

The fourth proportional to 24.66, 34 and 19.46 is: 26.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.66 : 34 = 19.46 : x
  2. Step 2: Convert to fraction form
    24.66/34 = 19.46/x
  3. Step 3: Cross multiply
    24.66x = 34 × 19.46
  4. Step 4: Simplify right side
    24.66x = 661.64
  5. Step 5: Solve for x
    x = 661.64/24.66
  6. Step 6: Final answer
    x = 26.83

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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.