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Finding the Fourth Proportional to 6,163.64, 8,505.83 and 3,511.16

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Solution

The fourth proportional to 6,163.64, 8,505.83 and 3,511.16 is: 4,845.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,163.64 : 8,505.83 = 3,511.16 : x
  2. Step 2: Convert to fraction form
    6,163.64/8,505.83 = 3,511.16/x
  3. Step 3: Cross multiply
    6,163.64x = 8,505.83 × 3,511.16
  4. Step 4: Simplify right side
    6,163.64x = 29,865,296.31
  5. Step 5: Solve for x
    x = 29,865,296.31/6,163.64
  6. Step 6: Final answer
    x = 4,845.40

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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.