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Finding the Fourth Proportional to 4,993.23, 6,890.40 and 3,003.40

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Solution

The fourth proportional to 4,993.23, 6,890.40 and 3,003.40 is: 4,144.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,993.23 : 6,890.40 = 3,003.40 : x
  2. Step 2: Convert to fraction form
    4,993.23/6,890.40 = 3,003.40/x
  3. Step 3: Cross multiply
    4,993.23x = 6,890.40 × 3,003.40
  4. Step 4: Simplify right side
    4,993.23x = 20,694,627.36
  5. Step 5: Solve for x
    x = 20,694,627.36/4,993.23
  6. Step 6: Final answer
    x = 4,144.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.