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Finding the Fourth Proportional to 32.70, 49.22 and 23.74

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Solution

The fourth proportional to 32.70, 49.22 and 23.74 is: 35.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.70 : 49.22 = 23.74 : x
  2. Step 2: Convert to fraction form
    32.70/49.22 = 23.74/x
  3. Step 3: Cross multiply
    32.70x = 49.22 × 23.74
  4. Step 4: Simplify right side
    32.70x = 1,168.48
  5. Step 5: Solve for x
    x = 1,168.48/32.70
  6. Step 6: Final answer
    x = 35.73

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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.