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Finding the Fourth Proportional to 57,891.08, 86,836.62 and 16,338.08

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Solution

The fourth proportional to 57,891.08, 86,836.62 and 16,338.08 is: 24,507.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,891.08 : 86,836.62 = 16,338.08 : x
  2. Step 2: Convert to fraction form
    57,891.08/86,836.62 = 16,338.08/x
  3. Step 3: Cross multiply
    57,891.08x = 86,836.62 × 16,338.08
  4. Step 4: Simplify right side
    57,891.08x = 1,418,743,922.85
  5. Step 5: Solve for x
    x = 1,418,743,922.85/57,891.08
  6. Step 6: Final answer
    x = 24,507.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.