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Finding the Fourth Proportional to 6,497.81, 8,967.44 and 3,665.43

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Solution

The fourth proportional to 6,497.81, 8,967.44 and 3,665.43 is: 5,058.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,497.81 : 8,967.44 = 3,665.43 : x
  2. Step 2: Convert to fraction form
    6,497.81/8,967.44 = 3,665.43/x
  3. Step 3: Cross multiply
    6,497.81x = 8,967.44 × 3,665.43
  4. Step 4: Simplify right side
    6,497.81x = 32,869,505.27
  5. Step 5: Solve for x
    x = 32,869,505.27/6,497.81
  6. Step 6: Final answer
    x = 5,058.56

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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.