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Finding the Fourth Proportional to 3,499.08, 5,245.38 and 1,959

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Solution

The fourth proportional to 3,499.08, 5,245.38 and 1,959 is: 2,936.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,499.08 : 5,245.38 = 1,959 : x
  2. Step 2: Convert to fraction form
    3,499.08/5,245.38 = 1,959/x
  3. Step 3: Cross multiply
    3,499.08x = 5,245.38 × 1,959
  4. Step 4: Simplify right side
    3,499.08x = 10,275,699.42
  5. Step 5: Solve for x
    x = 10,275,699.42/3,499.08
  6. Step 6: Final answer
    x = 2,936.69

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