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Finding the Fourth Proportional to 24.90, 34.30 and 23.61

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Solution

The fourth proportional to 24.90, 34.30 and 23.61 is: 32.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.90 : 34.30 = 23.61 : x
  2. Step 2: Convert to fraction form
    24.90/34.30 = 23.61/x
  3. Step 3: Cross multiply
    24.90x = 34.30 × 23.61
  4. Step 4: Simplify right side
    24.90x = 809.82
  5. Step 5: Solve for x
    x = 809.82/24.90
  6. Step 6: Final answer
    x = 32.52

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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.