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Finding the Fourth Proportional to 5,979.98, 8,975.44 and 3,060.32

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Solution

The fourth proportional to 5,979.98, 8,975.44 and 3,060.32 is: 4,593.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,979.98 : 8,975.44 = 3,060.32 : x
  2. Step 2: Convert to fraction form
    5,979.98/8,975.44 = 3,060.32/x
  3. Step 3: Cross multiply
    5,979.98x = 8,975.44 × 3,060.32
  4. Step 4: Simplify right side
    5,979.98x = 27,467,718.54
  5. Step 5: Solve for x
    x = 27,467,718.54/5,979.98
  6. Step 6: Final answer
    x = 4,593.28

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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.