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Finding the Fourth Proportional to 18,442.90, 27,657.56 and 6,593.48

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Solution

The fourth proportional to 18,442.90, 27,657.56 and 6,593.48 is: 9,887.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,442.90 : 27,657.56 = 6,593.48 : x
  2. Step 2: Convert to fraction form
    18,442.90/27,657.56 = 6,593.48/x
  3. Step 3: Cross multiply
    18,442.90x = 27,657.56 × 6,593.48
  4. Step 4: Simplify right side
    18,442.90x = 182,359,550.62
  5. Step 5: Solve for x
    x = 182,359,550.62/18,442.90
  6. Step 6: Final answer
    x = 9,887.79

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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.