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Finding the Fourth Proportional to 6,699, 9,244.62 and 3,905.04

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Solution

The fourth proportional to 6,699, 9,244.62 and 3,905.04 is: 5,388.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,699 : 9,244.62 = 3,905.04 : x
  2. Step 2: Convert to fraction form
    6,699/9,244.62 = 3,905.04/x
  3. Step 3: Cross multiply
    6,699x = 9,244.62 × 3,905.04
  4. Step 4: Simplify right side
    6,699x = 36,100,610.88
  5. Step 5: Solve for x
    x = 36,100,610.88/6,699
  6. Step 6: Final answer
    x = 5,388.96

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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.