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Finding the Fourth Proportional to 55,754.67, 76,942.03 and 30,261.27

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Solution

The fourth proportional to 55,754.67, 76,942.03 and 30,261.27 is: 41,760.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,754.67 : 76,942.03 = 30,261.27 : x
  2. Step 2: Convert to fraction form
    55,754.67/76,942.03 = 30,261.27/x
  3. Step 3: Cross multiply
    55,754.67x = 76,942.03 × 30,261.27
  4. Step 4: Simplify right side
    55,754.67x = 2,328,363,468.52
  5. Step 5: Solve for x
    x = 2,328,363,468.52/55,754.67
  6. Step 6: Final answer
    x = 41,760.87

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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.