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Finding the Fourth Proportional to 57,167.52, 85,747.96 and 17,185.64

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Solution

The fourth proportional to 57,167.52, 85,747.96 and 17,185.64 is: 25,777.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,167.52 : 85,747.96 = 17,185.64 : x
  2. Step 2: Convert to fraction form
    57,167.52/85,747.96 = 17,185.64/x
  3. Step 3: Cross multiply
    57,167.52x = 85,747.96 × 17,185.64
  4. Step 4: Simplify right side
    57,167.52x = 1,473,633,571.29
  5. Step 5: Solve for x
    x = 1,473,633,571.29/57,167.52
  6. Step 6: Final answer
    x = 25,777.46

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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.