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Finding the Fourth Proportional to 6,264.43, 8,642.94 and 3,611.47

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Solution

The fourth proportional to 6,264.43, 8,642.94 and 3,611.47 is: 4,982.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,264.43 : 8,642.94 = 3,611.47 : x
  2. Step 2: Convert to fraction form
    6,264.43/8,642.94 = 3,611.47/x
  3. Step 3: Cross multiply
    6,264.43x = 8,642.94 × 3,611.47
  4. Step 4: Simplify right side
    6,264.43x = 31,213,718.52
  5. Step 5: Solve for x
    x = 31,213,718.52/6,264.43
  6. Step 6: Final answer
    x = 4,982.69

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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.