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Finding the Fourth Proportional to 63,879.16, 88,155.96 and 35,584.88

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Solution

The fourth proportional to 63,879.16, 88,155.96 and 35,584.88 is: 49,108.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,879.16 : 88,155.96 = 35,584.88 : x
  2. Step 2: Convert to fraction form
    63,879.16/88,155.96 = 35,584.88/x
  3. Step 3: Cross multiply
    63,879.16x = 88,155.96 × 35,584.88
  4. Step 4: Simplify right side
    63,879.16x = 3,137,019,257.88
  5. Step 5: Solve for x
    x = 3,137,019,257.88/63,879.16
  6. Step 6: Final answer
    x = 49,108.65

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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.