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Finding the Fourth Proportional to 2,673.68, 4,009.43 and 942.44

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Solution

The fourth proportional to 2,673.68, 4,009.43 and 942.44 is: 1,413.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,673.68 : 4,009.43 = 942.44 : x
  2. Step 2: Convert to fraction form
    2,673.68/4,009.43 = 942.44/x
  3. Step 3: Cross multiply
    2,673.68x = 4,009.43 × 942.44
  4. Step 4: Simplify right side
    2,673.68x = 3,778,629.52
  5. Step 5: Solve for x
    x = 3,778,629.52/2,673.68
  6. Step 6: Final answer
    x = 1,413.27

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1.5x scale

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.