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Finding the Fourth Proportional to 58.46, 80.64 and 37.73

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Solution

The fourth proportional to 58.46, 80.64 and 37.73 is: 52.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.46 : 80.64 = 37.73 : x
  2. Step 2: Convert to fraction form
    58.46/80.64 = 37.73/x
  3. Step 3: Cross multiply
    58.46x = 80.64 × 37.73
  4. Step 4: Simplify right side
    58.46x = 3,042.55
  5. Step 5: Solve for x
    x = 3,042.55/58.46
  6. Step 6: Final answer
    x = 52.04

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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.