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Finding the Fourth Proportional to 62,751.65, 86,572.62 and 35,879.73

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Solution

The fourth proportional to 62,751.65, 86,572.62 and 35,879.73 is: 49,499.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,751.65 : 86,572.62 = 35,879.73 : x
  2. Step 2: Convert to fraction form
    62,751.65/86,572.62 = 35,879.73/x
  3. Step 3: Cross multiply
    62,751.65x = 86,572.62 × 35,879.73
  4. Step 4: Simplify right side
    62,751.65x = 3,106,202,230.99
  5. Step 5: Solve for x
    x = 3,106,202,230.99/62,751.65
  6. Step 6: Final answer
    x = 49,499.93

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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.