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Finding the Fourth Proportional to 25.52, 35.19 and 17.73

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Solution

The fourth proportional to 25.52, 35.19 and 17.73 is: 24.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.52 : 35.19 = 17.73 : x
  2. Step 2: Convert to fraction form
    25.52/35.19 = 17.73/x
  3. Step 3: Cross multiply
    25.52x = 35.19 × 17.73
  4. Step 4: Simplify right side
    25.52x = 623.92
  5. Step 5: Solve for x
    x = 623.92/25.52
  6. Step 6: Final answer
    x = 24.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.