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Finding the Fourth Proportional to 12,253.38, 18,383.04 and 3,933.42

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Solution

The fourth proportional to 12,253.38, 18,383.04 and 3,933.42 is: 5,901.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,253.38 : 18,383.04 = 3,933.42 : x
  2. Step 2: Convert to fraction form
    12,253.38/18,383.04 = 3,933.42/x
  3. Step 3: Cross multiply
    12,253.38x = 18,383.04 × 3,933.42
  4. Step 4: Simplify right side
    12,253.38x = 72,308,217.20
  5. Step 5: Solve for x
    x = 72,308,217.20/12,253.38
  6. Step 6: Final answer
    x = 5,901.08

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