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Finding the Fourth Proportional to 62,891.82, 86,726.43 and 41,663.34

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Solution

The fourth proportional to 62,891.82, 86,726.43 and 41,663.34 is: 57,452.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,891.82 : 86,726.43 = 41,663.34 : x
  2. Step 2: Convert to fraction form
    62,891.82/86,726.43 = 41,663.34/x
  3. Step 3: Cross multiply
    62,891.82x = 86,726.43 × 41,663.34
  4. Step 4: Simplify right side
    62,891.82x = 3,613,312,740.08
  5. Step 5: Solve for x
    x = 3,613,312,740.08/62,891.82
  6. Step 6: Final answer
    x = 57,452.83

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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.