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Finding the Fourth Proportional to 6,263.62, 8,644.20 and 3,611.20

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Solution

The fourth proportional to 6,263.62, 8,644.20 and 3,611.20 is: 4,983.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,263.62 : 8,644.20 = 3,611.20 : x
  2. Step 2: Convert to fraction form
    6,263.62/8,644.20 = 3,611.20/x
  3. Step 3: Cross multiply
    6,263.62x = 8,644.20 × 3,611.20
  4. Step 4: Simplify right side
    6,263.62x = 31,215,935.04
  5. Step 5: Solve for x
    x = 31,215,935.04/6,263.62
  6. Step 6: Final answer
    x = 4,983.69

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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.