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Finding the Fourth Proportional to 6,653.22, 9,958.77 and 4,179.48

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Solution

The fourth proportional to 6,653.22, 9,958.77 and 4,179.48 is: 6,255.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,653.22 : 9,958.77 = 4,179.48 : x
  2. Step 2: Convert to fraction form
    6,653.22/9,958.77 = 4,179.48/x
  3. Step 3: Cross multiply
    6,653.22x = 9,958.77 × 4,179.48
  4. Step 4: Simplify right side
    6,653.22x = 41,622,480.04
  5. Step 5: Solve for x
    x = 41,622,480.04/6,653.22
  6. Step 6: Final answer
    x = 6,255.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.