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Finding the Fourth Proportional to 2,751.24, 3,763.93 and 2,739.48

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Solution

The fourth proportional to 2,751.24, 3,763.93 and 2,739.48 is: 3,747.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,751.24 : 3,763.93 = 2,739.48 : x
  2. Step 2: Convert to fraction form
    2,751.24/3,763.93 = 2,739.48/x
  3. Step 3: Cross multiply
    2,751.24x = 3,763.93 × 2,739.48
  4. Step 4: Simplify right side
    2,751.24x = 10,311,210.96
  5. Step 5: Solve for x
    x = 10,311,210.96/2,751.24
  6. Step 6: Final answer
    x = 3,747.84

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.