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Finding the Fourth Proportional to 63,706.91, 87,917.22 and 35,027.78

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Solution

The fourth proportional to 63,706.91, 87,917.22 and 35,027.78 is: 48,339.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,706.91 : 87,917.22 = 35,027.78 : x
  2. Step 2: Convert to fraction form
    63,706.91/87,917.22 = 35,027.78/x
  3. Step 3: Cross multiply
    63,706.91x = 87,917.22 × 35,027.78
  4. Step 4: Simplify right side
    63,706.91x = 3,079,544,600.79
  5. Step 5: Solve for x
    x = 3,079,544,600.79/63,706.91
  6. Step 6: Final answer
    x = 48,339.26

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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.