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Finding the Fourth Proportional to 2,845.50, 4,268.30 and 793.50

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Solution

The fourth proportional to 2,845.50, 4,268.30 and 793.50 is: 1,190.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.50 : 4,268.30 = 793.50 : x
  2. Step 2: Convert to fraction form
    2,845.50/4,268.30 = 793.50/x
  3. Step 3: Cross multiply
    2,845.50x = 4,268.30 × 793.50
  4. Step 4: Simplify right side
    2,845.50x = 3,386,892.08
  5. Step 5: Solve for x
    x = 3,386,892.08/2,845.50
  6. Step 6: Final answer
    x = 1,190.26

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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.