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Finding the Fourth Proportional to 3,474.29, 5,212.25 and 1,009.16

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Solution

The fourth proportional to 3,474.29, 5,212.25 and 1,009.16 is: 1,513.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,474.29 : 5,212.25 = 1,009.16 : x
  2. Step 2: Convert to fraction form
    3,474.29/5,212.25 = 1,009.16/x
  3. Step 3: Cross multiply
    3,474.29x = 5,212.25 × 1,009.16
  4. Step 4: Simplify right side
    3,474.29x = 5,259,963.10
  5. Step 5: Solve for x
    x = 5,259,963.10/3,474.29
  6. Step 6: Final answer
    x = 1,513.97

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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.