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Finding the Fourth Proportional to 3,174.76, 4,764.84 and 1,228.33

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Solution

The fourth proportional to 3,174.76, 4,764.84 and 1,228.33 is: 1,843.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174.76 : 4,764.84 = 1,228.33 : x
  2. Step 2: Convert to fraction form
    3,174.76/4,764.84 = 1,228.33/x
  3. Step 3: Cross multiply
    3,174.76x = 4,764.84 × 1,228.33
  4. Step 4: Simplify right side
    3,174.76x = 5,852,795.92
  5. Step 5: Solve for x
    x = 5,852,795.92/3,174.76
  6. Step 6: Final answer
    x = 1,843.54

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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.