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Finding the Fourth Proportional to 3,216.19, 4,824.19 and 1,025.05

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Solution

The fourth proportional to 3,216.19, 4,824.19 and 1,025.05 is: 1,537.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216.19 : 4,824.19 = 1,025.05 : x
  2. Step 2: Convert to fraction form
    3,216.19/4,824.19 = 1,025.05/x
  3. Step 3: Cross multiply
    3,216.19x = 4,824.19 × 1,025.05
  4. Step 4: Simplify right side
    3,216.19x = 4,945,035.96
  5. Step 5: Solve for x
    x = 4,945,035.96/3,216.19
  6. Step 6: Final answer
    x = 1,537.54

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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.