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Finding the Fourth Proportional to 2,676.82, 4,015.53 and 729.04

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Solution

The fourth proportional to 2,676.82, 4,015.53 and 729.04 is: 1,093.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,676.82 : 4,015.53 = 729.04 : x
  2. Step 2: Convert to fraction form
    2,676.82/4,015.53 = 729.04/x
  3. Step 3: Cross multiply
    2,676.82x = 4,015.53 × 729.04
  4. Step 4: Simplify right side
    2,676.82x = 2,927,481.99
  5. Step 5: Solve for x
    x = 2,927,481.99/2,676.82
  6. Step 6: Final answer
    x = 1,093.64

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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.