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Finding the Fourth Proportional to 3,754.23, 5,629.43 and 2,000.22

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Solution

The fourth proportional to 3,754.23, 5,629.43 and 2,000.22 is: 2,999.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,754.23 : 5,629.43 = 2,000.22 : x
  2. Step 2: Convert to fraction form
    3,754.23/5,629.43 = 2,000.22/x
  3. Step 3: Cross multiply
    3,754.23x = 5,629.43 × 2,000.22
  4. Step 4: Simplify right side
    3,754.23x = 11,260,088.47
  5. Step 5: Solve for x
    x = 11,260,088.47/3,754.23
  6. Step 6: Final answer
    x = 2,999.31

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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.