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Finding the Fourth Proportional to 34,092.21, 50,879.16 and 31,836.27

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Solution

The fourth proportional to 34,092.21, 50,879.16 and 31,836.27 is: 47,512.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,092.21 : 50,879.16 = 31,836.27 : x
  2. Step 2: Convert to fraction form
    34,092.21/50,879.16 = 31,836.27/x
  3. Step 3: Cross multiply
    34,092.21x = 50,879.16 × 31,836.27
  4. Step 4: Simplify right side
    34,092.21x = 1,619,802,675.13
  5. Step 5: Solve for x
    x = 1,619,802,675.13/34,092.21
  6. Step 6: Final answer
    x = 47,512.40

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.