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Finding the Fourth Proportional to 8,620.82, 12,926.44 and 3,352.58

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Solution

The fourth proportional to 8,620.82, 12,926.44 and 3,352.58 is: 5,027.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,620.82 : 12,926.44 = 3,352.58 : x
  2. Step 2: Convert to fraction form
    8,620.82/12,926.44 = 3,352.58/x
  3. Step 3: Cross multiply
    8,620.82x = 12,926.44 × 3,352.58
  4. Step 4: Simplify right side
    8,620.82x = 43,336,924.22
  5. Step 5: Solve for x
    x = 43,336,924.22/8,620.82
  6. Step 6: Final answer
    x = 5,027.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.