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Finding the Fourth Proportional to 18,375.72, 27,566.16 and 5,892.81

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Solution

The fourth proportional to 18,375.72, 27,566.16 and 5,892.81 is: 8,840.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,375.72 : 27,566.16 = 5,892.81 : x
  2. Step 2: Convert to fraction form
    18,375.72/27,566.16 = 5,892.81/x
  3. Step 3: Cross multiply
    18,375.72x = 27,566.16 × 5,892.81
  4. Step 4: Simplify right side
    18,375.72x = 162,442,143.31
  5. Step 5: Solve for x
    x = 162,442,143.31/18,375.72
  6. Step 6: Final answer
    x = 8,840.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.