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Finding the Fourth Proportional to 7,662.73, 11,494.73 and 3,280.23

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Solution

The fourth proportional to 7,662.73, 11,494.73 and 3,280.23 is: 4,920.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,662.73 : 11,494.73 = 3,280.23 : x
  2. Step 2: Convert to fraction form
    7,662.73/11,494.73 = 3,280.23/x
  3. Step 3: Cross multiply
    7,662.73x = 11,494.73 × 3,280.23
  4. Step 4: Simplify right side
    7,662.73x = 37,705,358.19
  5. Step 5: Solve for x
    x = 37,705,358.19/7,662.73
  6. Step 6: Final answer
    x = 4,920.62

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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.