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Finding the Fourth Proportional to 25.84, 38.52 and 25.04

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Solution

The fourth proportional to 25.84, 38.52 and 25.04 is: 37.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.84 : 38.52 = 25.04 : x
  2. Step 2: Convert to fraction form
    25.84/38.52 = 25.04/x
  3. Step 3: Cross multiply
    25.84x = 38.52 × 25.04
  4. Step 4: Simplify right side
    25.84x = 964.54
  5. Step 5: Solve for x
    x = 964.54/25.84
  6. Step 6: Final answer
    x = 37.33

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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.