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Finding the Fourth Proportional to 25.48, 35.08 and 22.74

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Solution

The fourth proportional to 25.48, 35.08 and 22.74 is: 31.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.48 : 35.08 = 22.74 : x
  2. Step 2: Convert to fraction form
    25.48/35.08 = 22.74/x
  3. Step 3: Cross multiply
    25.48x = 35.08 × 22.74
  4. Step 4: Simplify right side
    25.48x = 797.72
  5. Step 5: Solve for x
    x = 797.72/25.48
  6. Step 6: Final answer
    x = 31.31

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