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Finding the Fourth Proportional to 57,574.49, 86,361.74 and 22,489.55

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Solution

The fourth proportional to 57,574.49, 86,361.74 and 22,489.55 is: 33,734.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,574.49 : 86,361.74 = 22,489.55 : x
  2. Step 2: Convert to fraction form
    57,574.49/86,361.74 = 22,489.55/x
  3. Step 3: Cross multiply
    57,574.49x = 86,361.74 × 22,489.55
  4. Step 4: Simplify right side
    57,574.49x = 1,942,236,456.16
  5. Step 5: Solve for x
    x = 1,942,236,456.16/57,574.49
  6. Step 6: Final answer
    x = 33,734.32

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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.