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Finding the Fourth Proportional to 57,717.75, 86,579.91 and 16,167.99

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Solution

The fourth proportional to 57,717.75, 86,579.91 and 16,167.99 is: 24,252.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,717.75 : 86,579.91 = 16,167.99 : x
  2. Step 2: Convert to fraction form
    57,717.75/86,579.91 = 16,167.99/x
  3. Step 3: Cross multiply
    57,717.75x = 86,579.91 × 16,167.99
  4. Step 4: Simplify right side
    57,717.75x = 1,399,823,119.08
  5. Step 5: Solve for x
    x = 1,399,823,119.08/57,717.75
  6. Step 6: Final answer
    x = 24,252.91

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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.