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Finding the Fourth Proportional to 5,998.51, 8,979.31 and 3,914.02

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Solution

The fourth proportional to 5,998.51, 8,979.31 and 3,914.02 is: 5,858.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,998.51 : 8,979.31 = 3,914.02 : x
  2. Step 2: Convert to fraction form
    5,998.51/8,979.31 = 3,914.02/x
  3. Step 3: Cross multiply
    5,998.51x = 8,979.31 × 3,914.02
  4. Step 4: Simplify right side
    5,998.51x = 35,145,179.36
  5. Step 5: Solve for x
    x = 35,145,179.36/5,998.51
  6. Step 6: Final answer
    x = 5,858.99

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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.