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Finding the Fourth Proportional to 22,427.90, 33,641.58 and 6,845.57

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Solution

The fourth proportional to 22,427.90, 33,641.58 and 6,845.57 is: 10,268.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,427.90 : 33,641.58 = 6,845.57 : x
  2. Step 2: Convert to fraction form
    22,427.90/33,641.58 = 6,845.57/x
  3. Step 3: Cross multiply
    22,427.90x = 33,641.58 × 6,845.57
  4. Step 4: Simplify right side
    22,427.90x = 230,295,790.80
  5. Step 5: Solve for x
    x = 230,295,790.80/22,427.90
  6. Step 6: Final answer
    x = 10,268.27

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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.