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Finding the Fourth Proportional to 2,796.26, 3,855.63 and 1,786.59

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Solution

The fourth proportional to 2,796.26, 3,855.63 and 1,786.59 is: 2,463.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,796.26 : 3,855.63 = 1,786.59 : x
  2. Step 2: Convert to fraction form
    2,796.26/3,855.63 = 1,786.59/x
  3. Step 3: Cross multiply
    2,796.26x = 3,855.63 × 1,786.59
  4. Step 4: Simplify right side
    2,796.26x = 6,888,430.00
  5. Step 5: Solve for x
    x = 6,888,430.00/2,796.26
  6. Step 6: Final answer
    x = 2,463.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.