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Finding the Fourth Proportional to 3,583.83, 5,375.24 and 1,118.60

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Solution

The fourth proportional to 3,583.83, 5,375.24 and 1,118.60 is: 1,677.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,583.83 : 5,375.24 = 1,118.60 : x
  2. Step 2: Convert to fraction form
    3,583.83/5,375.24 = 1,118.60/x
  3. Step 3: Cross multiply
    3,583.83x = 5,375.24 × 1,118.60
  4. Step 4: Simplify right side
    3,583.83x = 6,012,743.46
  5. Step 5: Solve for x
    x = 6,012,743.46/3,583.83
  6. Step 6: Final answer
    x = 1,677.74

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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.