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Finding the Fourth Proportional to 3,295.70, 4,945.25 and 1,448.11

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Solution

The fourth proportional to 3,295.70, 4,945.25 and 1,448.11 is: 2,172.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,295.70 : 4,945.25 = 1,448.11 : x
  2. Step 2: Convert to fraction form
    3,295.70/4,945.25 = 1,448.11/x
  3. Step 3: Cross multiply
    3,295.70x = 4,945.25 × 1,448.11
  4. Step 4: Simplify right side
    3,295.70x = 7,161,265.98
  5. Step 5: Solve for x
    x = 7,161,265.98/3,295.70
  6. Step 6: Final answer
    x = 2,172.91

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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.