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Finding the Fourth Proportional to 57,583.88, 86,241.42 and 44,331.08

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Solution

The fourth proportional to 57,583.88, 86,241.42 and 44,331.08 is: 66,393.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,583.88 : 86,241.42 = 44,331.08 : x
  2. Step 2: Convert to fraction form
    57,583.88/86,241.42 = 44,331.08/x
  3. Step 3: Cross multiply
    57,583.88x = 86,241.42 × 44,331.08
  4. Step 4: Simplify right side
    57,583.88x = 3,823,175,289.33
  5. Step 5: Solve for x
    x = 3,823,175,289.33/57,583.88
  6. Step 6: Final answer
    x = 66,393.15

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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.