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Finding the Fourth Proportional to 57,740.73, 86,578.29 and 22,661.25

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Solution

The fourth proportional to 57,740.73, 86,578.29 and 22,661.25 is: 33,979.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,740.73 : 86,578.29 = 22,661.25 : x
  2. Step 2: Convert to fraction form
    57,740.73/86,578.29 = 22,661.25/x
  3. Step 3: Cross multiply
    57,740.73x = 86,578.29 × 22,661.25
  4. Step 4: Simplify right side
    57,740.73x = 1,961,972,274.26
  5. Step 5: Solve for x
    x = 1,961,972,274.26/57,740.73
  6. Step 6: Final answer
    x = 33,979.00

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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.