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Finding the Fourth Proportional to 25.09, 34.16 and 24.66

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Solution

The fourth proportional to 25.09, 34.16 and 24.66 is: 33.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.09 : 34.16 = 24.66 : x
  2. Step 2: Convert to fraction form
    25.09/34.16 = 24.66/x
  3. Step 3: Cross multiply
    25.09x = 34.16 × 24.66
  4. Step 4: Simplify right side
    25.09x = 842.26
  5. Step 5: Solve for x
    x = 842.26/25.09
  6. Step 6: Final answer
    x = 33.57

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.