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Finding the Fourth Proportional to 6,372.02, 9,561.90 and 4,028.80

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Solution

The fourth proportional to 6,372.02, 9,561.90 and 4,028.80 is: 6,045.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,372.02 : 9,561.90 = 4,028.80 : x
  2. Step 2: Convert to fraction form
    6,372.02/9,561.90 = 4,028.80/x
  3. Step 3: Cross multiply
    6,372.02x = 9,561.90 × 4,028.80
  4. Step 4: Simplify right side
    6,372.02x = 38,522,982.72
  5. Step 5: Solve for x
    x = 38,522,982.72/6,372.02
  6. Step 6: Final answer
    x = 6,045.65

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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.