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Finding the Fourth Proportional to 57,700.82, 79,626.53 and 33,822.88

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Solution

The fourth proportional to 57,700.82, 79,626.53 and 33,822.88 is: 46,675.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,700.82 : 79,626.53 = 33,822.88 : x
  2. Step 2: Convert to fraction form
    57,700.82/79,626.53 = 33,822.88/x
  3. Step 3: Cross multiply
    57,700.82x = 79,626.53 × 33,822.88
  4. Step 4: Simplify right side
    57,700.82x = 2,693,198,001.76
  5. Step 5: Solve for x
    x = 2,693,198,001.76/57,700.82
  6. Step 6: Final answer
    x = 46,675.22

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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.