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Finding the Fourth Proportional to 16,183.40, 22,330.48 and 10,218.28

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Solution

The fourth proportional to 16,183.40, 22,330.48 and 10,218.28 is: 14,099.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,183.40 : 22,330.48 = 10,218.28 : x
  2. Step 2: Convert to fraction form
    16,183.40/22,330.48 = 10,218.28/x
  3. Step 3: Cross multiply
    16,183.40x = 22,330.48 × 10,218.28
  4. Step 4: Simplify right side
    16,183.40x = 228,179,097.17
  5. Step 5: Solve for x
    x = 228,179,097.17/16,183.40
  6. Step 6: Final answer
    x = 14,099.58

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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.