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Finding the Fourth Proportional to 6,396.32, 8,826.66 and 3,563.55

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Solution

The fourth proportional to 6,396.32, 8,826.66 and 3,563.55 is: 4,917.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,396.32 : 8,826.66 = 3,563.55 : x
  2. Step 2: Convert to fraction form
    6,396.32/8,826.66 = 3,563.55/x
  3. Step 3: Cross multiply
    6,396.32x = 8,826.66 × 3,563.55
  4. Step 4: Simplify right side
    6,396.32x = 31,454,244.24
  5. Step 5: Solve for x
    x = 31,454,244.24/6,396.32
  6. Step 6: Final answer
    x = 4,917.55

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.