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Finding the Fourth Proportional to 2,556.41, 3,833.80 and 996.31

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Solution

The fourth proportional to 2,556.41, 3,833.80 and 996.31 is: 1,494.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,556.41 : 3,833.80 = 996.31 : x
  2. Step 2: Convert to fraction form
    2,556.41/3,833.80 = 996.31/x
  3. Step 3: Cross multiply
    2,556.41x = 3,833.80 × 996.31
  4. Step 4: Simplify right side
    2,556.41x = 3,819,653.28
  5. Step 5: Solve for x
    x = 3,819,653.28/2,556.41
  6. Step 6: Final answer
    x = 1,494.15

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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.