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Finding the Fourth Proportional to 8,979.96, 13,471.96 and 3,433.16

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Solution

The fourth proportional to 8,979.96, 13,471.96 and 3,433.16 is: 5,150.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,979.96 : 13,471.96 = 3,433.16 : x
  2. Step 2: Convert to fraction form
    8,979.96/13,471.96 = 3,433.16/x
  3. Step 3: Cross multiply
    8,979.96x = 13,471.96 × 3,433.16
  4. Step 4: Simplify right side
    8,979.96x = 46,251,394.19
  5. Step 5: Solve for x
    x = 46,251,394.19/8,979.96
  6. Step 6: Final answer
    x = 5,150.51

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Why These Related Problems?

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