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Finding the Fourth Proportional to 18,599.63, 27,893.97 and 5,448.87

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Solution

The fourth proportional to 18,599.63, 27,893.97 and 5,448.87 is: 8,171.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,599.63 : 27,893.97 = 5,448.87 : x
  2. Step 2: Convert to fraction form
    18,599.63/27,893.97 = 5,448.87/x
  3. Step 3: Cross multiply
    18,599.63x = 27,893.97 × 5,448.87
  4. Step 4: Simplify right side
    18,599.63x = 151,990,616.31
  5. Step 5: Solve for x
    x = 151,990,616.31/18,599.63
  6. Step 6: Final answer
    x = 8,171.70

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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.