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Finding the Fourth Proportional to 6,396.17, 8,826.82 and 3,563.47

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Solution

The fourth proportional to 6,396.17, 8,826.82 and 3,563.47 is: 4,917.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,396.17 : 8,826.82 = 3,563.47 : x
  2. Step 2: Convert to fraction form
    6,396.17/8,826.82 = 3,563.47/x
  3. Step 3: Cross multiply
    6,396.17x = 8,826.82 × 3,563.47
  4. Step 4: Simplify right side
    6,396.17x = 31,454,077.29
  5. Step 5: Solve for x
    x = 31,454,077.29/6,396.17
  6. Step 6: Final answer
    x = 4,917.64

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1.5x scale

Why These Related Problems?

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