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Finding the Fourth Proportional to 57,896.97, 79,882.63 and 33,361.75

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Solution

The fourth proportional to 57,896.97, 79,882.63 and 33,361.75 is: 46,030.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,896.97 : 79,882.63 = 33,361.75 : x
  2. Step 2: Convert to fraction form
    57,896.97/79,882.63 = 33,361.75/x
  3. Step 3: Cross multiply
    57,896.97x = 79,882.63 × 33,361.75
  4. Step 4: Simplify right side
    57,896.97x = 2,665,024,069.82
  5. Step 5: Solve for x
    x = 2,665,024,069.82/57,896.97
  6. Step 6: Final answer
    x = 46,030.46

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Why These Related Problems?

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