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Finding the Fourth Proportional to 63,869.69, 88,135.92 and 37,007.42

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Solution

The fourth proportional to 63,869.69, 88,135.92 and 37,007.42 is: 51,067.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,869.69 : 88,135.92 = 37,007.42 : x
  2. Step 2: Convert to fraction form
    63,869.69/88,135.92 = 37,007.42/x
  3. Step 3: Cross multiply
    63,869.69x = 88,135.92 × 37,007.42
  4. Step 4: Simplify right side
    63,869.69x = 3,261,682,567.85
  5. Step 5: Solve for x
    x = 3,261,682,567.85/63,869.69
  6. Step 6: Final answer
    x = 51,067.77

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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.