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Finding the Fourth Proportional to 3,605.92, 4,976.40 and 2,033.44

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Solution

The fourth proportional to 3,605.92, 4,976.40 and 2,033.44 is: 2,806.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,605.92 : 4,976.40 = 2,033.44 : x
  2. Step 2: Convert to fraction form
    3,605.92/4,976.40 = 2,033.44/x
  3. Step 3: Cross multiply
    3,605.92x = 4,976.40 × 2,033.44
  4. Step 4: Simplify right side
    3,605.92x = 10,119,210.82
  5. Step 5: Solve for x
    x = 10,119,210.82/3,605.92
  6. Step 6: Final answer
    x = 2,806.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.