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Finding the Fourth Proportional to 63,653.88, 87,835.68 and 36,794.28

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Solution

The fourth proportional to 63,653.88, 87,835.68 and 36,794.28 is: 50,772.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,653.88 : 87,835.68 = 36,794.28 : x
  2. Step 2: Convert to fraction form
    63,653.88/87,835.68 = 36,794.28/x
  3. Step 3: Cross multiply
    63,653.88x = 87,835.68 × 36,794.28
  4. Step 4: Simplify right side
    63,653.88x = 3,231,850,603.91
  5. Step 5: Solve for x
    x = 3,231,850,603.91/63,653.88
  6. Step 6: Final answer
    x = 50,772.25

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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.