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Finding the Fourth Proportional to 59,466.49, 82,067.55 and 39,287.97

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Solution

The fourth proportional to 59,466.49, 82,067.55 and 39,287.97 is: 54,219.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,466.49 : 82,067.55 = 39,287.97 : x
  2. Step 2: Convert to fraction form
    59,466.49/82,067.55 = 39,287.97/x
  3. Step 3: Cross multiply
    59,466.49x = 82,067.55 × 39,287.97
  4. Step 4: Simplify right side
    59,466.49x = 3,224,267,295.04
  5. Step 5: Solve for x
    x = 3,224,267,295.04/59,466.49
  6. Step 6: Final answer
    x = 54,219.90

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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.