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Finding the Fourth Proportional to 57,798.26, 86,697.11 and 18,358.41

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Solution

The fourth proportional to 57,798.26, 86,697.11 and 18,358.41 is: 27,537.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,798.26 : 86,697.11 = 18,358.41 : x
  2. Step 2: Convert to fraction form
    57,798.26/86,697.11 = 18,358.41/x
  3. Step 3: Cross multiply
    57,798.26x = 86,697.11 × 18,358.41
  4. Step 4: Simplify right side
    57,798.26x = 1,591,621,091.20
  5. Step 5: Solve for x
    x = 1,591,621,091.20/57,798.26
  6. Step 6: Final answer
    x = 27,537.53

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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.