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Finding the Fourth Proportional to 24.78, 36.95 and 23.36

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Solution

The fourth proportional to 24.78, 36.95 and 23.36 is: 34.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.78 : 36.95 = 23.36 : x
  2. Step 2: Convert to fraction form
    24.78/36.95 = 23.36/x
  3. Step 3: Cross multiply
    24.78x = 36.95 × 23.36
  4. Step 4: Simplify right side
    24.78x = 862.85
  5. Step 5: Solve for x
    x = 862.85/24.78
  6. Step 6: Final answer
    x = 34.82

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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.