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Finding the Fourth Proportional to 16,183.86, 22,340.64 and 10,881.75

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Solution

The fourth proportional to 16,183.86, 22,340.64 and 10,881.75 is: 15,021.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,183.86 : 22,340.64 = 10,881.75 : x
  2. Step 2: Convert to fraction form
    16,183.86/22,340.64 = 10,881.75/x
  3. Step 3: Cross multiply
    16,183.86x = 22,340.64 × 10,881.75
  4. Step 4: Simplify right side
    16,183.86x = 243,105,259.32
  5. Step 5: Solve for x
    x = 243,105,259.32/16,183.86
  6. Step 6: Final answer
    x = 15,021.46

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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.