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Finding the Fourth Proportional to 57,763.56, 79,696.80 and 33,891.24

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Solution

The fourth proportional to 57,763.56, 79,696.80 and 33,891.24 is: 46,759.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,763.56 : 79,696.80 = 33,891.24 : x
  2. Step 2: Convert to fraction form
    57,763.56/79,696.80 = 33,891.24/x
  3. Step 3: Cross multiply
    57,763.56x = 79,696.80 × 33,891.24
  4. Step 4: Simplify right side
    57,763.56x = 2,701,023,376.03
  5. Step 5: Solve for x
    x = 2,701,023,376.03/57,763.56
  6. Step 6: Final answer
    x = 46,759.99

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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.