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Finding the Fourth Proportional to 2,751.67, 3,797.63 and 1,572.97

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Solution

The fourth proportional to 2,751.67, 3,797.63 and 1,572.97 is: 2,170.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,751.67 : 3,797.63 = 1,572.97 : x
  2. Step 2: Convert to fraction form
    2,751.67/3,797.63 = 1,572.97/x
  3. Step 3: Cross multiply
    2,751.67x = 3,797.63 × 1,572.97
  4. Step 4: Simplify right side
    2,751.67x = 5,973,562.57
  5. Step 5: Solve for x
    x = 5,973,562.57/2,751.67
  6. Step 6: Final answer
    x = 2,170.89

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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.