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Finding the Fourth Proportional to 57,489.84, 86,183.64 and 22,454.04

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Solution

The fourth proportional to 57,489.84, 86,183.64 and 22,454.04 is: 33,661.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,489.84 : 86,183.64 = 22,454.04 : x
  2. Step 2: Convert to fraction form
    57,489.84/86,183.64 = 22,454.04/x
  3. Step 3: Cross multiply
    57,489.84x = 86,183.64 × 22,454.04
  4. Step 4: Simplify right side
    57,489.84x = 1,935,170,899.91
  5. Step 5: Solve for x
    x = 1,935,170,899.91/57,489.84
  6. Step 6: Final answer
    x = 33,661.09

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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.