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Finding the Fourth Proportional to 2,936.01, 4,403.01 and 855.48

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Solution

The fourth proportional to 2,936.01, 4,403.01 and 855.48 is: 1,282.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,936.01 : 4,403.01 = 855.48 : x
  2. Step 2: Convert to fraction form
    2,936.01/4,403.01 = 855.48/x
  3. Step 3: Cross multiply
    2,936.01x = 4,403.01 × 855.48
  4. Step 4: Simplify right side
    2,936.01x = 3,766,686.99
  5. Step 5: Solve for x
    x = 3,766,686.99/2,936.01
  6. Step 6: Final answer
    x = 1,282.93

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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.