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Finding the Fourth Proportional to 66,889.73, 100,344.96 and 22,513.01

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Solution

The fourth proportional to 66,889.73, 100,344.96 and 22,513.01 is: 33,773.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,889.73 : 100,344.96 = 22,513.01 : x
  2. Step 2: Convert to fraction form
    66,889.73/100,344.96 = 22,513.01/x
  3. Step 3: Cross multiply
    66,889.73x = 100,344.96 × 22,513.01
  4. Step 4: Simplify right side
    66,889.73x = 2,259,067,338.79
  5. Step 5: Solve for x
    x = 2,259,067,338.79/66,889.73
  6. Step 6: Final answer
    x = 33,773.01

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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.