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Finding the Fourth Proportional to 64,379.52, 88,845.84 and 36,084.96

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Solution

The fourth proportional to 64,379.52, 88,845.84 and 36,084.96 is: 49,798.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,379.52 : 88,845.84 = 36,084.96 : x
  2. Step 2: Convert to fraction form
    64,379.52/88,845.84 = 36,084.96/x
  3. Step 3: Cross multiply
    64,379.52x = 88,845.84 × 36,084.96
  4. Step 4: Simplify right side
    64,379.52x = 3,205,998,582.57
  5. Step 5: Solve for x
    x = 3,205,998,582.57/64,379.52
  6. Step 6: Final answer
    x = 49,798.42

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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.