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Finding the Fourth Proportional to 24.68, 36.80 and 24.05

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Solution

The fourth proportional to 24.68, 36.80 and 24.05 is: 35.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.68 : 36.80 = 24.05 : x
  2. Step 2: Convert to fraction form
    24.68/36.80 = 24.05/x
  3. Step 3: Cross multiply
    24.68x = 36.80 × 24.05
  4. Step 4: Simplify right side
    24.68x = 885.04
  5. Step 5: Solve for x
    x = 885.04/24.68
  6. Step 6: Final answer
    x = 35.86

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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.