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Finding the Fourth Proportional to 22,405.73, 33,608.60 and 9,243.64

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Solution

The fourth proportional to 22,405.73, 33,608.60 and 9,243.64 is: 13,865.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,405.73 : 33,608.60 = 9,243.64 : x
  2. Step 2: Convert to fraction form
    22,405.73/33,608.60 = 9,243.64/x
  3. Step 3: Cross multiply
    22,405.73x = 33,608.60 × 9,243.64
  4. Step 4: Simplify right side
    22,405.73x = 310,665,799.30
  5. Step 5: Solve for x
    x = 310,665,799.30/22,405.73
  6. Step 6: Final answer
    x = 13,865.46

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Similar ratio
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1.5x scale

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.