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Finding the Fourth Proportional to 2,236.36, 3,355.35 and 775.93

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Solution

The fourth proportional to 2,236.36, 3,355.35 and 775.93 is: 1,164.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,236.36 : 3,355.35 = 775.93 : x
  2. Step 2: Convert to fraction form
    2,236.36/3,355.35 = 775.93/x
  3. Step 3: Cross multiply
    2,236.36x = 3,355.35 × 775.93
  4. Step 4: Simplify right side
    2,236.36x = 2,603,516.73
  5. Step 5: Solve for x
    x = 2,603,516.73/2,236.36
  6. Step 6: Final answer
    x = 1,164.18

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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.