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Finding the Fourth Proportional to 23,791.56, 35,683.34 and 7,994.80

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Solution

The fourth proportional to 23,791.56, 35,683.34 and 7,994.80 is: 11,990.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,791.56 : 35,683.34 = 7,994.80 : x
  2. Step 2: Convert to fraction form
    23,791.56/35,683.34 = 7,994.80/x
  3. Step 3: Cross multiply
    23,791.56x = 35,683.34 × 7,994.80
  4. Step 4: Simplify right side
    23,791.56x = 285,281,171.26
  5. Step 5: Solve for x
    x = 285,281,171.26/23,791.56
  6. Step 6: Final answer
    x = 11,990.86

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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.