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Finding the Fourth Proportional to 57,797.40, 86,717.70 and 22,761.48

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Solution

The fourth proportional to 57,797.40, 86,717.70 and 22,761.48 is: 34,150.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,797.40 : 86,717.70 = 22,761.48 : x
  2. Step 2: Convert to fraction form
    57,797.40/86,717.70 = 22,761.48/x
  3. Step 3: Cross multiply
    57,797.40x = 86,717.70 × 22,761.48
  4. Step 4: Simplify right side
    57,797.40x = 1,973,823,194.20
  5. Step 5: Solve for x
    x = 1,973,823,194.20/57,797.40
  6. Step 6: Final answer
    x = 34,150.73

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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.