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Finding the Fourth Proportional to 55,649.25, 83,481.66 and 18,212.26

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Solution

The fourth proportional to 55,649.25, 83,481.66 and 18,212.26 is: 27,320.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,649.25 : 83,481.66 = 18,212.26 : x
  2. Step 2: Convert to fraction form
    55,649.25/83,481.66 = 18,212.26/x
  3. Step 3: Cross multiply
    55,649.25x = 83,481.66 × 18,212.26
  4. Step 4: Simplify right side
    55,649.25x = 1,520,389,697.15
  5. Step 5: Solve for x
    x = 1,520,389,697.15/55,649.25
  6. Step 6: Final answer
    x = 27,320.94

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.