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Finding the Fourth Proportional to 3,714.72, 5,573 and 2,621.22

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Solution

The fourth proportional to 3,714.72, 5,573 and 2,621.22 is: 3,932.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,714.72 : 5,573 = 2,621.22 : x
  2. Step 2: Convert to fraction form
    3,714.72/5,573 = 2,621.22/x
  3. Step 3: Cross multiply
    3,714.72x = 5,573 × 2,621.22
  4. Step 4: Simplify right side
    3,714.72x = 14,608,059.06
  5. Step 5: Solve for x
    x = 14,608,059.06/3,714.72
  6. Step 6: Final answer
    x = 3,932.48

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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.