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Finding the Fourth Proportional to 5,975.12, 8,245.52 and 3,616.88

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Solution

The fourth proportional to 5,975.12, 8,245.52 and 3,616.88 is: 4,991.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,975.12 : 8,245.52 = 3,616.88 : x
  2. Step 2: Convert to fraction form
    5,975.12/8,245.52 = 3,616.88/x
  3. Step 3: Cross multiply
    5,975.12x = 8,245.52 × 3,616.88
  4. Step 4: Simplify right side
    5,975.12x = 29,823,056.38
  5. Step 5: Solve for x
    x = 29,823,056.38/5,975.12
  6. Step 6: Final answer
    x = 4,991.21

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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.