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Finding the Fourth Proportional to 2,693.97, 4,040.97 and 746.32

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Solution

The fourth proportional to 2,693.97, 4,040.97 and 746.32 is: 1,119.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,693.97 : 4,040.97 = 746.32 : x
  2. Step 2: Convert to fraction form
    2,693.97/4,040.97 = 746.32/x
  3. Step 3: Cross multiply
    2,693.97x = 4,040.97 × 746.32
  4. Step 4: Simplify right side
    2,693.97x = 3,015,856.73
  5. Step 5: Solve for x
    x = 3,015,856.73/2,693.97
  6. Step 6: Final answer
    x = 1,119.48

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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.