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Finding the Fourth Proportional to 62,791.92, 86,653.62 and 34,497

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Solution

The fourth proportional to 62,791.92, 86,653.62 and 34,497 is: 47,606.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,791.92 : 86,653.62 = 34,497 : x
  2. Step 2: Convert to fraction form
    62,791.92/86,653.62 = 34,497/x
  3. Step 3: Cross multiply
    62,791.92x = 86,653.62 × 34,497
  4. Step 4: Simplify right side
    62,791.92x = 2,989,289,929.14
  5. Step 5: Solve for x
    x = 2,989,289,929.14/62,791.92
  6. Step 6: Final answer
    x = 47,606.28

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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.