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Finding the Fourth Proportional to 22,139.58, 30,552.64 and 12,067.82

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Solution

The fourth proportional to 22,139.58, 30,552.64 and 12,067.82 is: 16,653.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,139.58 : 30,552.64 = 12,067.82 : x
  2. Step 2: Convert to fraction form
    22,139.58/30,552.64 = 12,067.82/x
  3. Step 3: Cross multiply
    22,139.58x = 30,552.64 × 12,067.82
  4. Step 4: Simplify right side
    22,139.58x = 368,703,577.11
  5. Step 5: Solve for x
    x = 368,703,577.11/22,139.58
  6. Step 6: Final answer
    x = 16,653.59

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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.