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Finding the Fourth Proportional to 37,082.28, 55,627.74 and 12,124.20

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Solution

The fourth proportional to 37,082.28, 55,627.74 and 12,124.20 is: 18,187.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,082.28 : 55,627.74 = 12,124.20 : x
  2. Step 2: Convert to fraction form
    37,082.28/55,627.74 = 12,124.20/x
  3. Step 3: Cross multiply
    37,082.28x = 55,627.74 × 12,124.20
  4. Step 4: Simplify right side
    37,082.28x = 674,441,845.31
  5. Step 5: Solve for x
    x = 674,441,845.31/37,082.28
  6. Step 6: Final answer
    x = 18,187.71

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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.