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Finding the Fourth Proportional to 2,235.33, 3,353.36 and 774.09

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Solution

The fourth proportional to 2,235.33, 3,353.36 and 774.09 is: 1,161.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,235.33 : 3,353.36 = 774.09 : x
  2. Step 2: Convert to fraction form
    2,235.33/3,353.36 = 774.09/x
  3. Step 3: Cross multiply
    2,235.33x = 3,353.36 × 774.09
  4. Step 4: Simplify right side
    2,235.33x = 2,595,802.44
  5. Step 5: Solve for x
    x = 2,595,802.44/2,235.33
  6. Step 6: Final answer
    x = 1,161.26

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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.