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Finding the Fourth Proportional to 22,658.60, 33,974.19 and 8,619.60

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Solution

The fourth proportional to 22,658.60, 33,974.19 and 8,619.60 is: 12,924.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,658.60 : 33,974.19 = 8,619.60 : x
  2. Step 2: Convert to fraction form
    22,658.60/33,974.19 = 8,619.60/x
  3. Step 3: Cross multiply
    22,658.60x = 33,974.19 × 8,619.60
  4. Step 4: Simplify right side
    22,658.60x = 292,843,906.32
  5. Step 5: Solve for x
    x = 292,843,906.32/22,658.60
  6. Step 6: Final answer
    x = 12,924.18

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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.