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Finding the Fourth Proportional to 63,717.75, 87,930.83 and 35,039.26

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Solution

The fourth proportional to 63,717.75, 87,930.83 and 35,039.26 is: 48,354.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,717.75 : 87,930.83 = 35,039.26 : x
  2. Step 2: Convert to fraction form
    63,717.75/87,930.83 = 35,039.26/x
  3. Step 3: Cross multiply
    63,717.75x = 87,930.83 × 35,039.26
  4. Step 4: Simplify right side
    63,717.75x = 3,081,030,774.73
  5. Step 5: Solve for x
    x = 3,081,030,774.73/63,717.75
  6. Step 6: Final answer
    x = 48,354.36

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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.