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Finding the Fourth Proportional to 6,263.90, 8,644.01 and 3,611.15

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Solution

The fourth proportional to 6,263.90, 8,644.01 and 3,611.15 is: 4,983.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,263.90 : 8,644.01 = 3,611.15 : x
  2. Step 2: Convert to fraction form
    6,263.90/8,644.01 = 3,611.15/x
  3. Step 3: Cross multiply
    6,263.90x = 8,644.01 × 3,611.15
  4. Step 4: Simplify right side
    6,263.90x = 31,214,755.44
  5. Step 5: Solve for x
    x = 31,214,755.44/6,263.90
  6. Step 6: Final answer
    x = 4,983.28

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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.