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Finding the Fourth Proportional to 57,990.54, 86,846.22 and 32,969.38

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Solution

The fourth proportional to 57,990.54, 86,846.22 and 32,969.38 is: 49,374.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,990.54 : 86,846.22 = 32,969.38 : x
  2. Step 2: Convert to fraction form
    57,990.54/86,846.22 = 32,969.38/x
  3. Step 3: Cross multiply
    57,990.54x = 86,846.22 × 32,969.38
  4. Step 4: Simplify right side
    57,990.54x = 2,863,266,028.74
  5. Step 5: Solve for x
    x = 2,863,266,028.74/57,990.54
  6. Step 6: Final answer
    x = 49,374.71

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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.