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Finding the Fourth Proportional to 3,194.96, 4,788.12 and 1,896.08

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Solution

The fourth proportional to 3,194.96, 4,788.12 and 1,896.08 is: 2,841.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,194.96 : 4,788.12 = 1,896.08 : x
  2. Step 2: Convert to fraction form
    3,194.96/4,788.12 = 1,896.08/x
  3. Step 3: Cross multiply
    3,194.96x = 4,788.12 × 1,896.08
  4. Step 4: Simplify right side
    3,194.96x = 9,078,658.57
  5. Step 5: Solve for x
    x = 9,078,658.57/3,194.96
  6. Step 6: Final answer
    x = 2,841.56

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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.