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Finding the Fourth Proportional to 6,343.63, 8,753.19 and 3,984.10

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Solution

The fourth proportional to 6,343.63, 8,753.19 and 3,984.10 is: 5,497.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,343.63 : 8,753.19 = 3,984.10 : x
  2. Step 2: Convert to fraction form
    6,343.63/8,753.19 = 3,984.10/x
  3. Step 3: Cross multiply
    6,343.63x = 8,753.19 × 3,984.10
  4. Step 4: Simplify right side
    6,343.63x = 34,873,584.28
  5. Step 5: Solve for x
    x = 34,873,584.28/6,343.63
  6. Step 6: Final answer
    x = 5,497.42

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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.