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Finding the Fourth Proportional to 1,782.99, 2,675.39 and 796.10

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Solution

The fourth proportional to 1,782.99, 2,675.39 and 796.10 is: 1,194.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,782.99 : 2,675.39 = 796.10 : x
  2. Step 2: Convert to fraction form
    1,782.99/2,675.39 = 796.10/x
  3. Step 3: Cross multiply
    1,782.99x = 2,675.39 × 796.10
  4. Step 4: Simplify right side
    1,782.99x = 2,129,860.62
  5. Step 5: Solve for x
    x = 2,129,860.62/1,782.99
  6. Step 6: Final answer
    x = 1,194.54

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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.