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Finding the Fourth Proportional to 24.90, 34.26 and 24.84

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Solution

The fourth proportional to 24.90, 34.26 and 24.84 is: 34.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.90 : 34.26 = 24.84 : x
  2. Step 2: Convert to fraction form
    24.90/34.26 = 24.84/x
  3. Step 3: Cross multiply
    24.90x = 34.26 × 24.84
  4. Step 4: Simplify right side
    24.90x = 851.02
  5. Step 5: Solve for x
    x = 851.02/24.90
  6. Step 6: Final answer
    x = 34.18

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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.