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Finding the Fourth Proportional to 6,351.58, 8,764.31 and 3,518.26

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Solution

The fourth proportional to 6,351.58, 8,764.31 and 3,518.26 is: 4,854.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,351.58 : 8,764.31 = 3,518.26 : x
  2. Step 2: Convert to fraction form
    6,351.58/8,764.31 = 3,518.26/x
  3. Step 3: Cross multiply
    6,351.58x = 8,764.31 × 3,518.26
  4. Step 4: Simplify right side
    6,351.58x = 30,835,073.08
  5. Step 5: Solve for x
    x = 30,835,073.08/6,351.58
  6. Step 6: Final answer
    x = 4,854.71

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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.