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Finding the Fourth Proportional to 62,561.97, 86,334.66 and 34,267.86

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Solution

The fourth proportional to 62,561.97, 86,334.66 and 34,267.86 is: 47,289.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,561.97 : 86,334.66 = 34,267.86 : x
  2. Step 2: Convert to fraction form
    62,561.97/86,334.66 = 34,267.86/x
  3. Step 3: Cross multiply
    62,561.97x = 86,334.66 × 34,267.86
  4. Step 4: Simplify right side
    62,561.97x = 2,958,504,042.03
  5. Step 5: Solve for x
    x = 2,958,504,042.03/62,561.97
  6. Step 6: Final answer
    x = 47,289.18

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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.