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Finding the Fourth Proportional to 3,249.99, 4,871.41 and 1,275.02

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Solution

The fourth proportional to 3,249.99, 4,871.41 and 1,275.02 is: 1,911.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,249.99 : 4,871.41 = 1,275.02 : x
  2. Step 2: Convert to fraction form
    3,249.99/4,871.41 = 1,275.02/x
  3. Step 3: Cross multiply
    3,249.99x = 4,871.41 × 1,275.02
  4. Step 4: Simplify right side
    3,249.99x = 6,211,163.30
  5. Step 5: Solve for x
    x = 6,211,163.30/3,249.99
  6. Step 6: Final answer
    x = 1,911.13

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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.