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Finding the Fourth Proportional to 7,995.81, 11,993.74 and 2,449.13

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Solution

The fourth proportional to 7,995.81, 11,993.74 and 2,449.13 is: 3,673.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,995.81 : 11,993.74 = 2,449.13 : x
  2. Step 2: Convert to fraction form
    7,995.81/11,993.74 = 2,449.13/x
  3. Step 3: Cross multiply
    7,995.81x = 11,993.74 × 2,449.13
  4. Step 4: Simplify right side
    7,995.81x = 29,374,228.45
  5. Step 5: Solve for x
    x = 29,374,228.45/7,995.81
  6. Step 6: Final answer
    x = 3,673.70

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Similar ratio
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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.