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Finding the Fourth Proportional to 57,665.45, 79,578.45 and 32,171.18

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Solution

The fourth proportional to 57,665.45, 79,578.45 and 32,171.18 is: 44,396.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,665.45 : 79,578.45 = 32,171.18 : x
  2. Step 2: Convert to fraction form
    57,665.45/79,578.45 = 32,171.18/x
  3. Step 3: Cross multiply
    57,665.45x = 79,578.45 × 32,171.18
  4. Step 4: Simplify right side
    57,665.45x = 2,560,132,478.22
  5. Step 5: Solve for x
    x = 2,560,132,478.22/57,665.45
  6. Step 6: Final answer
    x = 44,396.30

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.