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Finding the Fourth Proportional to 63,796.49, 88,015.44 and 63,698.07

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Solution

The fourth proportional to 63,796.49, 88,015.44 and 63,698.07 is: 87,879.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,796.49 : 88,015.44 = 63,698.07 : x
  2. Step 2: Convert to fraction form
    63,796.49/88,015.44 = 63,698.07/x
  3. Step 3: Cross multiply
    63,796.49x = 88,015.44 × 63,698.07
  4. Step 4: Simplify right side
    63,796.49x = 5,606,413,658.20
  5. Step 5: Solve for x
    x = 5,606,413,658.20/63,796.49
  6. Step 6: Final answer
    x = 87,879.66

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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.