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Finding the Fourth Proportional to 24.70, 36.95 and 22.79

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Solution

The fourth proportional to 24.70, 36.95 and 22.79 is: 34.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.70 : 36.95 = 22.79 : x
  2. Step 2: Convert to fraction form
    24.70/36.95 = 22.79/x
  3. Step 3: Cross multiply
    24.70x = 36.95 × 22.79
  4. Step 4: Simplify right side
    24.70x = 841.91
  5. Step 5: Solve for x
    x = 841.91/24.70
  6. Step 6: Final answer
    x = 34.09

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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.