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Finding the Fourth Proportional to 57,716.89, 86,655.87 and 29,660.73

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Solution

The fourth proportional to 57,716.89, 86,655.87 and 29,660.73 is: 44,532.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,716.89 : 86,655.87 = 29,660.73 : x
  2. Step 2: Convert to fraction form
    57,716.89/86,655.87 = 29,660.73/x
  3. Step 3: Cross multiply
    57,716.89x = 86,655.87 × 29,660.73
  4. Step 4: Simplify right side
    57,716.89x = 2,570,276,362.99
  5. Step 5: Solve for x
    x = 2,570,276,362.99/57,716.89
  6. Step 6: Final answer
    x = 44,532.48

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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.