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Finding the Fourth Proportional to 53.74, 80.56 and 24.83

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Solution

The fourth proportional to 53.74, 80.56 and 24.83 is: 37.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53.74 : 80.56 = 24.83 : x
  2. Step 2: Convert to fraction form
    53.74/80.56 = 24.83/x
  3. Step 3: Cross multiply
    53.74x = 80.56 × 24.83
  4. Step 4: Simplify right side
    53.74x = 2,000.30
  5. Step 5: Solve for x
    x = 2,000.30/53.74
  6. Step 6: Final answer
    x = 37.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.