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Finding the Fourth Proportional to 57,672.97, 79,596.56 and 33,809.15

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Solution

The fourth proportional to 57,672.97, 79,596.56 and 33,809.15 is: 46,661.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,672.97 : 79,596.56 = 33,809.15 : x
  2. Step 2: Convert to fraction form
    57,672.97/79,596.56 = 33,809.15/x
  3. Step 3: Cross multiply
    57,672.97x = 79,596.56 × 33,809.15
  4. Step 4: Simplify right side
    57,672.97x = 2,691,092,036.52
  5. Step 5: Solve for x
    x = 2,691,092,036.52/57,672.97
  6. Step 6: Final answer
    x = 46,661.24

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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.