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Finding the Fourth Proportional to 25.52, 38.12 and 24.36

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Solution

The fourth proportional to 25.52, 38.12 and 24.36 is: 36.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.52 : 38.12 = 24.36 : x
  2. Step 2: Convert to fraction form
    25.52/38.12 = 24.36/x
  3. Step 3: Cross multiply
    25.52x = 38.12 × 24.36
  4. Step 4: Simplify right side
    25.52x = 928.60
  5. Step 5: Solve for x
    x = 928.60/25.52
  6. Step 6: Final answer
    x = 36.39

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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.