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Finding the Fourth Proportional to 2,641.85, 3,645.77 and 1,446.82

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Solution

The fourth proportional to 2,641.85, 3,645.77 and 1,446.82 is: 1,996.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,641.85 : 3,645.77 = 1,446.82 : x
  2. Step 2: Convert to fraction form
    2,641.85/3,645.77 = 1,446.82/x
  3. Step 3: Cross multiply
    2,641.85x = 3,645.77 × 1,446.82
  4. Step 4: Simplify right side
    2,641.85x = 5,274,756.60
  5. Step 5: Solve for x
    x = 5,274,756.60/2,641.85
  6. Step 6: Final answer
    x = 1,996.62

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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.