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Finding the Fourth Proportional to 24.06, 35.94 and 20

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Solution

The fourth proportional to 24.06, 35.94 and 20 is: 29.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.06 : 35.94 = 20 : x
  2. Step 2: Convert to fraction form
    24.06/35.94 = 20/x
  3. Step 3: Cross multiply
    24.06x = 35.94 × 20
  4. Step 4: Simplify right side
    24.06x = 718.80
  5. Step 5: Solve for x
    x = 718.80/24.06
  6. Step 6: Final answer
    x = 29.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.