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Finding the Fourth Proportional to 69,893.32, 95,910.29 and 63,557.32

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Solution

The fourth proportional to 69,893.32, 95,910.29 and 63,557.32 is: 87,215.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,893.32 : 95,910.29 = 63,557.32 : x
  2. Step 2: Convert to fraction form
    69,893.32/95,910.29 = 63,557.32/x
  3. Step 3: Cross multiply
    69,893.32x = 95,910.29 × 63,557.32
  4. Step 4: Simplify right side
    69,893.32x = 6,095,800,992.82
  5. Step 5: Solve for x
    x = 6,095,800,992.82/69,893.32
  6. Step 6: Final answer
    x = 87,215.79

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.