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Finding the Fourth Proportional to 2,759.58, 3,805.11 and 2,012.22

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Solution

The fourth proportional to 2,759.58, 3,805.11 and 2,012.22 is: 2,774.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,759.58 : 3,805.11 = 2,012.22 : x
  2. Step 2: Convert to fraction form
    2,759.58/3,805.11 = 2,012.22/x
  3. Step 3: Cross multiply
    2,759.58x = 3,805.11 × 2,012.22
  4. Step 4: Simplify right side
    2,759.58x = 7,656,718.44
  5. Step 5: Solve for x
    x = 7,656,718.44/2,759.58
  6. Step 6: Final answer
    x = 2,774.60

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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.