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Finding the Fourth Proportional to 37.86, 52.25 and 23.34

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Solution

The fourth proportional to 37.86, 52.25 and 23.34 is: 32.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.86 : 52.25 = 23.34 : x
  2. Step 2: Convert to fraction form
    37.86/52.25 = 23.34/x
  3. Step 3: Cross multiply
    37.86x = 52.25 × 23.34
  4. Step 4: Simplify right side
    37.86x = 1,219.52
  5. Step 5: Solve for x
    x = 1,219.52/37.86
  6. Step 6: Final answer
    x = 32.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.