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Finding the Fourth Proportional to 57,510.26, 86,140.63 and 27,865.92

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Solution

The fourth proportional to 57,510.26, 86,140.63 and 27,865.92 is: 41,738.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,510.26 : 86,140.63 = 27,865.92 : x
  2. Step 2: Convert to fraction form
    57,510.26/86,140.63 = 27,865.92/x
  3. Step 3: Cross multiply
    57,510.26x = 86,140.63 × 27,865.92
  4. Step 4: Simplify right side
    57,510.26x = 2,400,387,765
  5. Step 5: Solve for x
    x = 2,400,387,765/57,510.26
  6. Step 6: Final answer
    x = 41,738.43

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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.