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Finding the Fourth Proportional to 2,794.66, 4,190.19 and 846.34

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Solution

The fourth proportional to 2,794.66, 4,190.19 and 846.34 is: 1,268.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,794.66 : 4,190.19 = 846.34 : x
  2. Step 2: Convert to fraction form
    2,794.66/4,190.19 = 846.34/x
  3. Step 3: Cross multiply
    2,794.66x = 4,190.19 × 846.34
  4. Step 4: Simplify right side
    2,794.66x = 3,546,325.40
  5. Step 5: Solve for x
    x = 3,546,325.40/2,794.66
  6. Step 6: Final answer
    x = 1,268.96

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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.