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Finding the Fourth Proportional to 6,264.91, 8,643.63 and 3,611.98

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Solution

The fourth proportional to 6,264.91, 8,643.63 and 3,611.98 is: 4,983.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,264.91 : 8,643.63 = 3,611.98 : x
  2. Step 2: Convert to fraction form
    6,264.91/8,643.63 = 3,611.98/x
  3. Step 3: Cross multiply
    6,264.91x = 8,643.63 × 3,611.98
  4. Step 4: Simplify right side
    6,264.91x = 31,220,618.69
  5. Step 5: Solve for x
    x = 31,220,618.69/6,264.91
  6. Step 6: Final answer
    x = 4,983.41

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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.