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Finding the Fourth Proportional to 4,383.39, 6,577.30 and 1,918.22

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Solution

The fourth proportional to 4,383.39, 6,577.30 and 1,918.22 is: 2,878.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,383.39 : 6,577.30 = 1,918.22 : x
  2. Step 2: Convert to fraction form
    4,383.39/6,577.30 = 1,918.22/x
  3. Step 3: Cross multiply
    4,383.39x = 6,577.30 × 1,918.22
  4. Step 4: Simplify right side
    4,383.39x = 12,616,720.05
  5. Step 5: Solve for x
    x = 12,616,720.05/4,383.39
  6. Step 6: Final answer
    x = 2,878.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.