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Finding the Fourth Proportional to 25.94, 35.77 and 17.74

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Solution

The fourth proportional to 25.94, 35.77 and 17.74 is: 24.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.94 : 35.77 = 17.74 : x
  2. Step 2: Convert to fraction form
    25.94/35.77 = 17.74/x
  3. Step 3: Cross multiply
    25.94x = 35.77 × 17.74
  4. Step 4: Simplify right side
    25.94x = 634.56
  5. Step 5: Solve for x
    x = 634.56/25.94
  6. Step 6: Final answer
    x = 24.46

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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.