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Finding the Fourth Proportional to 2,847.22, 3,930.33 and 1,799.08

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Solution

The fourth proportional to 2,847.22, 3,930.33 and 1,799.08 is: 2,483.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847.22 : 3,930.33 = 1,799.08 : x
  2. Step 2: Convert to fraction form
    2,847.22/3,930.33 = 1,799.08/x
  3. Step 3: Cross multiply
    2,847.22x = 3,930.33 × 1,799.08
  4. Step 4: Simplify right side
    2,847.22x = 7,070,978.10
  5. Step 5: Solve for x
    x = 7,070,978.10/2,847.22
  6. Step 6: Final answer
    x = 2,483.47

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