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Finding the Fourth Proportional to 24.84, 34.48 and 24.70

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Solution

The fourth proportional to 24.84, 34.48 and 24.70 is: 34.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.84 : 34.48 = 24.70 : x
  2. Step 2: Convert to fraction form
    24.84/34.48 = 24.70/x
  3. Step 3: Cross multiply
    24.84x = 34.48 × 24.70
  4. Step 4: Simplify right side
    24.84x = 851.66
  5. Step 5: Solve for x
    x = 851.66/24.84
  6. Step 6: Final answer
    x = 34.29

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.