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Finding the Fourth Proportional to 55,793.01, 76,972.10 and 35,644.67

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Solution

The fourth proportional to 55,793.01, 76,972.10 and 35,644.67 is: 49,175.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,793.01 : 76,972.10 = 35,644.67 : x
  2. Step 2: Convert to fraction form
    55,793.01/76,972.10 = 35,644.67/x
  3. Step 3: Cross multiply
    55,793.01x = 76,972.10 × 35,644.67
  4. Step 4: Simplify right side
    55,793.01x = 2,743,644,540.62
  5. Step 5: Solve for x
    x = 2,743,644,540.62/55,793.01
  6. Step 6: Final answer
    x = 49,175.42

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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.