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Finding the Fourth Proportional to 23,310.81, 34,958.66 and 7,724.25

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Solution

The fourth proportional to 23,310.81, 34,958.66 and 7,724.25 is: 11,583.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,310.81 : 34,958.66 = 7,724.25 : x
  2. Step 2: Convert to fraction form
    23,310.81/34,958.66 = 7,724.25/x
  3. Step 3: Cross multiply
    23,310.81x = 34,958.66 × 7,724.25
  4. Step 4: Simplify right side
    23,310.81x = 270,029,390.88
  5. Step 5: Solve for x
    x = 270,029,390.88/23,310.81
  6. Step 6: Final answer
    x = 11,583.87

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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.