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Finding the Fourth Proportional to 2,796.68, 4,194.46 and 1,065

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Solution

The fourth proportional to 2,796.68, 4,194.46 and 1,065 is: 1,597.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,796.68 : 4,194.46 = 1,065 : x
  2. Step 2: Convert to fraction form
    2,796.68/4,194.46 = 1,065/x
  3. Step 3: Cross multiply
    2,796.68x = 4,194.46 × 1,065
  4. Step 4: Simplify right side
    2,796.68x = 4,467,099.90
  5. Step 5: Solve for x
    x = 4,467,099.90/2,796.68
  6. Step 6: Final answer
    x = 1,597.29

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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.