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Finding the Fourth Proportional to 24.92, 37.20 and 24.72

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Solution

The fourth proportional to 24.92, 37.20 and 24.72 is: 36.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.92 : 37.20 = 24.72 : x
  2. Step 2: Convert to fraction form
    24.92/37.20 = 24.72/x
  3. Step 3: Cross multiply
    24.92x = 37.20 × 24.72
  4. Step 4: Simplify right side
    24.92x = 919.58
  5. Step 5: Solve for x
    x = 919.58/24.92
  6. Step 6: Final answer
    x = 36.90

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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.