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Finding the Fourth Proportional to 62,837.82, 86,715.18 and 34,542.90

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Solution

The fourth proportional to 62,837.82, 86,715.18 and 34,542.90 is: 47,668.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,837.82 : 86,715.18 = 34,542.90 : x
  2. Step 2: Convert to fraction form
    62,837.82/86,715.18 = 34,542.90/x
  3. Step 3: Cross multiply
    62,837.82x = 86,715.18 × 34,542.90
  4. Step 4: Simplify right side
    62,837.82x = 2,995,393,791.22
  5. Step 5: Solve for x
    x = 2,995,393,791.22/62,837.82
  6. Step 6: Final answer
    x = 47,668.65

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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.