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Finding the Fourth Proportional to 6,367.98, 8,788.38 and 3,716.25

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Solution

The fourth proportional to 6,367.98, 8,788.38 and 3,716.25 is: 5,128.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,367.98 : 8,788.38 = 3,716.25 : x
  2. Step 2: Convert to fraction form
    6,367.98/8,788.38 = 3,716.25/x
  3. Step 3: Cross multiply
    6,367.98x = 8,788.38 × 3,716.25
  4. Step 4: Simplify right side
    6,367.98x = 32,659,791.19
  5. Step 5: Solve for x
    x = 32,659,791.19/6,367.98
  6. Step 6: Final answer
    x = 5,128.75

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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.