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Finding the Fourth Proportional to 8,441.80, 11,650.42 and 5,084.62

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Solution

The fourth proportional to 8,441.80, 11,650.42 and 5,084.62 is: 7,017.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,441.80 : 11,650.42 = 5,084.62 : x
  2. Step 2: Convert to fraction form
    8,441.80/11,650.42 = 5,084.62/x
  3. Step 3: Cross multiply
    8,441.80x = 11,650.42 × 5,084.62
  4. Step 4: Simplify right side
    8,441.80x = 59,237,958.54
  5. Step 5: Solve for x
    x = 59,237,958.54/8,441.80
  6. Step 6: Final answer
    x = 7,017.22

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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.