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Finding the Fourth Proportional to 3,324.77, 4,989.08 and 1,349.99

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Solution

The fourth proportional to 3,324.77, 4,989.08 and 1,349.99 is: 2,025.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,324.77 : 4,989.08 = 1,349.99 : x
  2. Step 2: Convert to fraction form
    3,324.77/4,989.08 = 1,349.99/x
  3. Step 3: Cross multiply
    3,324.77x = 4,989.08 × 1,349.99
  4. Step 4: Simplify right side
    3,324.77x = 6,735,201.36
  5. Step 5: Solve for x
    x = 6,735,201.36/3,324.77
  6. Step 6: Final answer
    x = 2,025.76

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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.