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Finding the Fourth Proportional to 57,952.80, 86,896.80 and 26,749.44

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Solution

The fourth proportional to 57,952.80, 86,896.80 and 26,749.44 is: 40,109.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,952.80 : 86,896.80 = 26,749.44 : x
  2. Step 2: Convert to fraction form
    57,952.80/86,896.80 = 26,749.44/x
  3. Step 3: Cross multiply
    57,952.80x = 86,896.80 × 26,749.44
  4. Step 4: Simplify right side
    57,952.80x = 2,324,440,737.79
  5. Step 5: Solve for x
    x = 2,324,440,737.79/57,952.80
  6. Step 6: Final answer
    x = 40,109.21

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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.