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Finding the Fourth Proportional to 9,887.52, 13,644.45 and 5,906.27

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Solution

The fourth proportional to 9,887.52, 13,644.45 and 5,906.27 is: 8,150.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,887.52 : 13,644.45 = 5,906.27 : x
  2. Step 2: Convert to fraction form
    9,887.52/13,644.45 = 5,906.27/x
  3. Step 3: Cross multiply
    9,887.52x = 13,644.45 × 5,906.27
  4. Step 4: Simplify right side
    9,887.52x = 80,587,737.48
  5. Step 5: Solve for x
    x = 80,587,737.48/9,887.52
  6. Step 6: Final answer
    x = 8,150.45

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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.