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Finding the Fourth Proportional to 22,308.78, 33,465.26 and 8,080.82

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Solution

The fourth proportional to 22,308.78, 33,465.26 and 8,080.82 is: 12,121.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,308.78 : 33,465.26 = 8,080.82 : x
  2. Step 2: Convert to fraction form
    22,308.78/33,465.26 = 8,080.82/x
  3. Step 3: Cross multiply
    22,308.78x = 33,465.26 × 8,080.82
  4. Step 4: Simplify right side
    22,308.78x = 270,426,742.31
  5. Step 5: Solve for x
    x = 270,426,742.31/22,308.78
  6. Step 6: Final answer
    x = 12,121.99

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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.