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Finding the Fourth Proportional to 3,696.44, 5,543.92 and 1,098.80

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Solution

The fourth proportional to 3,696.44, 5,543.92 and 1,098.80 is: 1,647.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,696.44 : 5,543.92 = 1,098.80 : x
  2. Step 2: Convert to fraction form
    3,696.44/5,543.92 = 1,098.80/x
  3. Step 3: Cross multiply
    3,696.44x = 5,543.92 × 1,098.80
  4. Step 4: Simplify right side
    3,696.44x = 6,091,659.30
  5. Step 5: Solve for x
    x = 6,091,659.30/3,696.44
  6. Step 6: Final answer
    x = 1,647.98

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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.