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Finding the Fourth Proportional to 16,268.96, 22,462.08 and 10,221.76

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Solution

The fourth proportional to 16,268.96, 22,462.08 and 10,221.76 is: 14,112.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,268.96 : 22,462.08 = 10,221.76 : x
  2. Step 2: Convert to fraction form
    16,268.96/22,462.08 = 10,221.76/x
  3. Step 3: Cross multiply
    16,268.96x = 22,462.08 × 10,221.76
  4. Step 4: Simplify right side
    16,268.96x = 229,601,990.86
  5. Step 5: Solve for x
    x = 229,601,990.86/16,268.96
  6. Step 6: Final answer
    x = 14,112.89

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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.