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Finding the Fourth Proportional to 6,334.73, 8,739.79 and 4,099.43

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Solution

The fourth proportional to 6,334.73, 8,739.79 and 4,099.43 is: 5,655.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,334.73 : 8,739.79 = 4,099.43 : x
  2. Step 2: Convert to fraction form
    6,334.73/8,739.79 = 4,099.43/x
  3. Step 3: Cross multiply
    6,334.73x = 8,739.79 × 4,099.43
  4. Step 4: Simplify right side
    6,334.73x = 35,828,157.32
  5. Step 5: Solve for x
    x = 35,828,157.32/6,334.73
  6. Step 6: Final answer
    x = 5,655.83

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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.