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Finding the Fourth Proportional to 3,014.88, 4,522.11 and 823.62

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Solution

The fourth proportional to 3,014.88, 4,522.11 and 823.62 is: 1,235.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,014.88 : 4,522.11 = 823.62 : x
  2. Step 2: Convert to fraction form
    3,014.88/4,522.11 = 823.62/x
  3. Step 3: Cross multiply
    3,014.88x = 4,522.11 × 823.62
  4. Step 4: Simplify right side
    3,014.88x = 3,724,500.24
  5. Step 5: Solve for x
    x = 3,724,500.24/3,014.88
  6. Step 6: Final answer
    x = 1,235.37

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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.