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Finding the Fourth Proportional to 2,996.54, 4,494.89 and 805.44

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Solution

The fourth proportional to 2,996.54, 4,494.89 and 805.44 is: 1,208.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,996.54 : 4,494.89 = 805.44 : x
  2. Step 2: Convert to fraction form
    2,996.54/4,494.89 = 805.44/x
  3. Step 3: Cross multiply
    2,996.54x = 4,494.89 × 805.44
  4. Step 4: Simplify right side
    2,996.54x = 3,620,383.07
  5. Step 5: Solve for x
    x = 3,620,383.07/2,996.54
  6. Step 6: Final answer
    x = 1,208.19

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1.5x scale

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.