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Finding the Fourth Proportional to 40,793.77, 61,174.04 and 12,704.39

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Solution

The fourth proportional to 40,793.77, 61,174.04 and 12,704.39 is: 19,051.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,793.77 : 61,174.04 = 12,704.39 : x
  2. Step 2: Convert to fraction form
    40,793.77/61,174.04 = 12,704.39/x
  3. Step 3: Cross multiply
    40,793.77x = 61,174.04 × 12,704.39
  4. Step 4: Simplify right side
    40,793.77x = 777,178,556.17
  5. Step 5: Solve for x
    x = 777,178,556.17/40,793.77
  6. Step 6: Final answer
    x = 19,051.41

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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.