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Finding the Fourth Proportional to 3,589.99, 4,954.16 and 1,996.58

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Solution

The fourth proportional to 3,589.99, 4,954.16 and 1,996.58 is: 2,755.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,589.99 : 4,954.16 = 1,996.58 : x
  2. Step 2: Convert to fraction form
    3,589.99/4,954.16 = 1,996.58/x
  3. Step 3: Cross multiply
    3,589.99x = 4,954.16 × 1,996.58
  4. Step 4: Simplify right side
    3,589.99x = 9,891,394.15
  5. Step 5: Solve for x
    x = 9,891,394.15/3,589.99
  6. Step 6: Final answer
    x = 2,755.27

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1.5x scale

Why These Related Problems?

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