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Finding the Fourth Proportional to 60,760.56, 91,110.87 and 36,768.90

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Solution

The fourth proportional to 60,760.56, 91,110.87 and 36,768.90 is: 55,135.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,760.56 : 91,110.87 = 36,768.90 : x
  2. Step 2: Convert to fraction form
    60,760.56/91,110.87 = 36,768.90/x
  3. Step 3: Cross multiply
    60,760.56x = 91,110.87 × 36,768.90
  4. Step 4: Simplify right side
    60,760.56x = 3,350,046,467.94
  5. Step 5: Solve for x
    x = 3,350,046,467.94/60,760.56
  6. Step 6: Final answer
    x = 55,135.21

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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.