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Finding the Fourth Proportional to 24.74, 37.28 and 22.70

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Solution

The fourth proportional to 24.74, 37.28 and 22.70 is: 34.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.74 : 37.28 = 22.70 : x
  2. Step 2: Convert to fraction form
    24.74/37.28 = 22.70/x
  3. Step 3: Cross multiply
    24.74x = 37.28 × 22.70
  4. Step 4: Simplify right side
    24.74x = 846.26
  5. Step 5: Solve for x
    x = 846.26/24.74
  6. Step 6: Final answer
    x = 34.21

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.