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Finding the Fourth Proportional to 62,782.67, 86,662.82 and 41,568.77

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Solution

The fourth proportional to 62,782.67, 86,662.82 and 41,568.77 is: 57,379.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,782.67 : 86,662.82 = 41,568.77 : x
  2. Step 2: Convert to fraction form
    62,782.67/86,662.82 = 41,568.77/x
  3. Step 3: Cross multiply
    62,782.67x = 86,662.82 × 41,568.77
  4. Step 4: Simplify right side
    62,782.67x = 3,602,466,502.74
  5. Step 5: Solve for x
    x = 3,602,466,502.74/62,782.67
  6. Step 6: Final answer
    x = 57,379.96

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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.