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Finding the Fourth Proportional to 22,138.88, 30,551.46 and 12,067.32

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Solution

The fourth proportional to 22,138.88, 30,551.46 and 12,067.32 is: 16,652.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,138.88 : 30,551.46 = 12,067.32 : x
  2. Step 2: Convert to fraction form
    22,138.88/30,551.46 = 12,067.32/x
  3. Step 3: Cross multiply
    22,138.88x = 30,551.46 × 12,067.32
  4. Step 4: Simplify right side
    22,138.88x = 368,674,244.29
  5. Step 5: Solve for x
    x = 368,674,244.29/22,138.88
  6. Step 6: Final answer
    x = 16,652.80

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.