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Finding the Fourth Proportional to 57,850.40, 86,824.81 and 41,251.07

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Solution

The fourth proportional to 57,850.40, 86,824.81 and 41,251.07 is: 61,911.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,850.40 : 86,824.81 = 41,251.07 : x
  2. Step 2: Convert to fraction form
    57,850.40/86,824.81 = 41,251.07/x
  3. Step 3: Cross multiply
    57,850.40x = 86,824.81 × 41,251.07
  4. Step 4: Simplify right side
    57,850.40x = 3,581,616,583.67
  5. Step 5: Solve for x
    x = 3,581,616,583.67/57,850.40
  6. Step 6: Final answer
    x = 61,911.70

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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.