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Finding the Fourth Proportional to 3,543.01, 4,889.36 and 1,949.61

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Solution

The fourth proportional to 3,543.01, 4,889.36 and 1,949.61 is: 2,690.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,543.01 : 4,889.36 = 1,949.61 : x
  2. Step 2: Convert to fraction form
    3,543.01/4,889.36 = 1,949.61/x
  3. Step 3: Cross multiply
    3,543.01x = 4,889.36 × 1,949.61
  4. Step 4: Simplify right side
    3,543.01x = 9,532,375.74
  5. Step 5: Solve for x
    x = 9,532,375.74/3,543.01
  6. Step 6: Final answer
    x = 2,690.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.