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Finding the Fourth Proportional to 62,588.50, 86,379.36 and 35,734.84

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Solution

The fourth proportional to 62,588.50, 86,379.36 and 35,734.84 is: 49,318.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,588.50 : 86,379.36 = 35,734.84 : x
  2. Step 2: Convert to fraction form
    62,588.50/86,379.36 = 35,734.84/x
  3. Step 3: Cross multiply
    62,588.50x = 86,379.36 × 35,734.84
  4. Step 4: Simplify right side
    62,588.50x = 3,086,752,608.90
  5. Step 5: Solve for x
    x = 3,086,752,608.90/62,588.50
  6. Step 6: Final answer
    x = 49,318.21

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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.