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Finding the Fourth Proportional to 57,661.68, 79,580.82 and 33,797.88

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Solution

The fourth proportional to 57,661.68, 79,580.82 and 33,797.88 is: 46,645.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,661.68 : 79,580.82 = 33,797.88 : x
  2. Step 2: Convert to fraction form
    57,661.68/79,580.82 = 33,797.88/x
  3. Step 3: Cross multiply
    57,661.68x = 79,580.82 × 33,797.88
  4. Step 4: Simplify right side
    57,661.68x = 2,689,663,004.66
  5. Step 5: Solve for x
    x = 2,689,663,004.66/57,661.68
  6. Step 6: Final answer
    x = 46,645.59

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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.