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Finding the Fourth Proportional to 2,567.84, 3,540.38 and 1,682.24

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Solution

The fourth proportional to 2,567.84, 3,540.38 and 1,682.24 is: 2,319.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,567.84 : 3,540.38 = 1,682.24 : x
  2. Step 2: Convert to fraction form
    2,567.84/3,540.38 = 1,682.24/x
  3. Step 3: Cross multiply
    2,567.84x = 3,540.38 × 1,682.24
  4. Step 4: Simplify right side
    2,567.84x = 5,955,768.85
  5. Step 5: Solve for x
    x = 5,955,768.85/2,567.84
  6. Step 6: Final answer
    x = 2,319.37

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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.