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Finding the Fourth Proportional to 6,571.88, 9,069.39 and 3,587.91

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Solution

The fourth proportional to 6,571.88, 9,069.39 and 3,587.91 is: 4,951.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,571.88 : 9,069.39 = 3,587.91 : x
  2. Step 2: Convert to fraction form
    6,571.88/9,069.39 = 3,587.91/x
  3. Step 3: Cross multiply
    6,571.88x = 9,069.39 × 3,587.91
  4. Step 4: Simplify right side
    6,571.88x = 32,540,121.20
  5. Step 5: Solve for x
    x = 32,540,121.20/6,571.88
  6. Step 6: Final answer
    x = 4,951.42

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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.