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Finding the Fourth Proportional to 6,816.04, 9,406.68 and 3,832

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Solution

The fourth proportional to 6,816.04, 9,406.68 and 3,832 is: 5,288.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,816.04 : 9,406.68 = 3,832 : x
  2. Step 2: Convert to fraction form
    6,816.04/9,406.68 = 3,832/x
  3. Step 3: Cross multiply
    6,816.04x = 9,406.68 × 3,832
  4. Step 4: Simplify right side
    6,816.04x = 36,046,397.76
  5. Step 5: Solve for x
    x = 36,046,397.76/6,816.04
  6. Step 6: Final answer
    x = 5,288.47

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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.