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Finding the Fourth Proportional to 2,000.75, 2,995.99 and 1,479.97

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Solution

The fourth proportional to 2,000.75, 2,995.99 and 1,479.97 is: 2,216.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,000.75 : 2,995.99 = 1,479.97 : x
  2. Step 2: Convert to fraction form
    2,000.75/2,995.99 = 1,479.97/x
  3. Step 3: Cross multiply
    2,000.75x = 2,995.99 × 1,479.97
  4. Step 4: Simplify right side
    2,000.75x = 4,433,975.37
  5. Step 5: Solve for x
    x = 4,433,975.37/2,000.75
  6. Step 6: Final answer
    x = 2,216.16

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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.