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Finding the Fourth Proportional to 6,263.72, 8,643.92 and 3,611.11

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Solution

The fourth proportional to 6,263.72, 8,643.92 and 3,611.11 is: 4,983.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,263.72 : 8,643.92 = 3,611.11 : x
  2. Step 2: Convert to fraction form
    6,263.72/8,643.92 = 3,611.11/x
  3. Step 3: Cross multiply
    6,263.72x = 8,643.92 × 3,611.11
  4. Step 4: Simplify right side
    6,263.72x = 31,214,145.95
  5. Step 5: Solve for x
    x = 31,214,145.95/6,263.72
  6. Step 6: Final answer
    x = 4,983.32

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