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Finding the Fourth Proportional to 37,082.20, 55,598.70 and 20,450.20

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Solution

The fourth proportional to 37,082.20, 55,598.70 and 20,450.20 is: 30,661.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,082.20 : 55,598.70 = 20,450.20 : x
  2. Step 2: Convert to fraction form
    37,082.20/55,598.70 = 20,450.20/x
  3. Step 3: Cross multiply
    37,082.20x = 55,598.70 × 20,450.20
  4. Step 4: Simplify right side
    37,082.20x = 1,137,004,534.74
  5. Step 5: Solve for x
    x = 1,137,004,534.74/37,082.20
  6. Step 6: Final answer
    x = 30,661.73

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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.