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Finding the Fourth Proportional to 6,383.65, 8,808.12 and 3,730.54

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Solution

The fourth proportional to 6,383.65, 8,808.12 and 3,730.54 is: 5,147.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,383.65 : 8,808.12 = 3,730.54 : x
  2. Step 2: Convert to fraction form
    6,383.65/8,808.12 = 3,730.54/x
  3. Step 3: Cross multiply
    6,383.65x = 8,808.12 × 3,730.54
  4. Step 4: Simplify right side
    6,383.65x = 32,858,999.94
  5. Step 5: Solve for x
    x = 32,858,999.94/6,383.65
  6. Step 6: Final answer
    x = 5,147.37

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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.