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Finding the Fourth Proportional to 3,568.72, 5,355.10 and 1,925.22

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Solution

The fourth proportional to 3,568.72, 5,355.10 and 1,925.22 is: 2,888.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,568.72 : 5,355.10 = 1,925.22 : x
  2. Step 2: Convert to fraction form
    3,568.72/5,355.10 = 1,925.22/x
  3. Step 3: Cross multiply
    3,568.72x = 5,355.10 × 1,925.22
  4. Step 4: Simplify right side
    3,568.72x = 10,309,745.62
  5. Step 5: Solve for x
    x = 10,309,745.62/3,568.72
  6. Step 6: Final answer
    x = 2,888.92

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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.