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Finding the Fourth Proportional to 57,418.68, 79,244.01 and 33,553.38

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Solution

The fourth proportional to 57,418.68, 79,244.01 and 33,553.38 is: 46,307.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,418.68 : 79,244.01 = 33,553.38 : x
  2. Step 2: Convert to fraction form
    57,418.68/79,244.01 = 33,553.38/x
  3. Step 3: Cross multiply
    57,418.68x = 79,244.01 × 33,553.38
  4. Step 4: Simplify right side
    57,418.68x = 2,658,904,380.25
  5. Step 5: Solve for x
    x = 2,658,904,380.25/57,418.68
  6. Step 6: Final answer
    x = 46,307.31

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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.