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Finding the Fourth Proportional to 25.95, 38.73 and 22.59

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Solution

The fourth proportional to 25.95, 38.73 and 22.59 is: 33.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.95 : 38.73 = 22.59 : x
  2. Step 2: Convert to fraction form
    25.95/38.73 = 22.59/x
  3. Step 3: Cross multiply
    25.95x = 38.73 × 22.59
  4. Step 4: Simplify right side
    25.95x = 874.91
  5. Step 5: Solve for x
    x = 874.91/25.95
  6. Step 6: Final answer
    x = 33.72

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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.