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Finding the Fourth Proportional to 6,163.94, 8,496.25 and 4,817.20

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Solution

The fourth proportional to 6,163.94, 8,496.25 and 4,817.20 is: 6,639.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,163.94 : 8,496.25 = 4,817.20 : x
  2. Step 2: Convert to fraction form
    6,163.94/8,496.25 = 4,817.20/x
  3. Step 3: Cross multiply
    6,163.94x = 8,496.25 × 4,817.20
  4. Step 4: Simplify right side
    6,163.94x = 40,928,135.50
  5. Step 5: Solve for x
    x = 40,928,135.50/6,163.94
  6. Step 6: Final answer
    x = 6,639.93

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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.