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Finding the Fourth Proportional to 22,388.60, 33,584.78 and 6,806.36

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Solution

The fourth proportional to 22,388.60, 33,584.78 and 6,806.36 is: 10,210.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,388.60 : 33,584.78 = 6,806.36 : x
  2. Step 2: Convert to fraction form
    22,388.60/33,584.78 = 6,806.36/x
  3. Step 3: Cross multiply
    22,388.60x = 33,584.78 × 6,806.36
  4. Step 4: Simplify right side
    22,388.60x = 228,590,103.20
  5. Step 5: Solve for x
    x = 228,590,103.20/22,388.60
  6. Step 6: Final answer
    x = 10,210.11

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