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Finding the Fourth Proportional to 57,843.66, 86,707.17 and 43,963.50

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Solution

The fourth proportional to 57,843.66, 86,707.17 and 43,963.50 is: 65,900.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,843.66 : 86,707.17 = 43,963.50 : x
  2. Step 2: Convert to fraction form
    57,843.66/86,707.17 = 43,963.50/x
  3. Step 3: Cross multiply
    57,843.66x = 86,707.17 × 43,963.50
  4. Step 4: Simplify right side
    57,843.66x = 3,811,950,668.30
  5. Step 5: Solve for x
    x = 3,811,950,668.30/57,843.66
  6. Step 6: Final answer
    x = 65,900.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.