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Finding the Fourth Proportional to 18,590.44, 27,883.62 and 5,442.94

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Solution

The fourth proportional to 18,590.44, 27,883.62 and 5,442.94 is: 8,163.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,590.44 : 27,883.62 = 5,442.94 : x
  2. Step 2: Convert to fraction form
    18,590.44/27,883.62 = 5,442.94/x
  3. Step 3: Cross multiply
    18,590.44x = 27,883.62 × 5,442.94
  4. Step 4: Simplify right side
    18,590.44x = 151,768,870.64
  5. Step 5: Solve for x
    x = 151,768,870.64/18,590.44
  6. Step 6: Final answer
    x = 8,163.81

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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.