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Finding the Fourth Proportional to 57,521.60, 86,231.10 and 22,453.10

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Solution

The fourth proportional to 57,521.60, 86,231.10 and 22,453.10 is: 33,659.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,521.60 : 86,231.10 = 22,453.10 : x
  2. Step 2: Convert to fraction form
    57,521.60/86,231.10 = 22,453.10/x
  3. Step 3: Cross multiply
    57,521.60x = 86,231.10 × 22,453.10
  4. Step 4: Simplify right side
    57,521.60x = 1,936,155,511.41
  5. Step 5: Solve for x
    x = 1,936,155,511.41/57,521.60
  6. Step 6: Final answer
    x = 33,659.63

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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.