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Finding the Fourth Proportional to 6,439.29, 9,659.03 and 1,822.29

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Solution

The fourth proportional to 6,439.29, 9,659.03 and 1,822.29 is: 2,733.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439.29 : 9,659.03 = 1,822.29 : x
  2. Step 2: Convert to fraction form
    6,439.29/9,659.03 = 1,822.29/x
  3. Step 3: Cross multiply
    6,439.29x = 9,659.03 × 1,822.29
  4. Step 4: Simplify right side
    6,439.29x = 17,601,544.67
  5. Step 5: Solve for x
    x = 17,601,544.67/6,439.29
  6. Step 6: Final answer
    x = 2,733.46

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.