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Finding the Fourth Proportional to 8,997.65, 13,496.37 and 3,074.48

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Solution

The fourth proportional to 8,997.65, 13,496.37 and 3,074.48 is: 4,611.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,997.65 : 13,496.37 = 3,074.48 : x
  2. Step 2: Convert to fraction form
    8,997.65/13,496.37 = 3,074.48/x
  3. Step 3: Cross multiply
    8,997.65x = 13,496.37 × 3,074.48
  4. Step 4: Simplify right side
    8,997.65x = 41,494,252.16
  5. Step 5: Solve for x
    x = 41,494,252.16/8,997.65
  6. Step 6: Final answer
    x = 4,611.68

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Similar ratio
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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.