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Finding the Fourth Proportional to 63,722.98, 87,935.41 and 35,042.39

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Solution

The fourth proportional to 63,722.98, 87,935.41 and 35,042.39 is: 48,357.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,722.98 : 87,935.41 = 35,042.39 : x
  2. Step 2: Convert to fraction form
    63,722.98/87,935.41 = 35,042.39/x
  3. Step 3: Cross multiply
    63,722.98x = 87,935.41 × 35,042.39
  4. Step 4: Simplify right side
    63,722.98x = 3,081,467,163.44
  5. Step 5: Solve for x
    x = 3,081,467,163.44/63,722.98
  6. Step 6: Final answer
    x = 48,357.24

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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.