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Finding the Fourth Proportional to 6,238.68, 8,609.99 and 4,664.04

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Solution

The fourth proportional to 6,238.68, 8,609.99 and 4,664.04 is: 6,436.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,238.68 : 8,609.99 = 4,664.04 : x
  2. Step 2: Convert to fraction form
    6,238.68/8,609.99 = 4,664.04/x
  3. Step 3: Cross multiply
    6,238.68x = 8,609.99 × 4,664.04
  4. Step 4: Simplify right side
    6,238.68x = 40,157,314.44
  5. Step 5: Solve for x
    x = 40,157,314.44/6,238.68
  6. Step 6: Final answer
    x = 6,436.83

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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.