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Finding the Fourth Proportional to 6,287.92, 8,676.96 and 3,635.14

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Solution

The fourth proportional to 6,287.92, 8,676.96 and 3,635.14 is: 5,016.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,287.92 : 8,676.96 = 3,635.14 : x
  2. Step 2: Convert to fraction form
    6,287.92/8,676.96 = 3,635.14/x
  3. Step 3: Cross multiply
    6,287.92x = 8,676.96 × 3,635.14
  4. Step 4: Simplify right side
    6,287.92x = 31,541,964.37
  5. Step 5: Solve for x
    x = 31,541,964.37/6,287.92
  6. Step 6: Final answer
    x = 5,016.28

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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.