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Finding the Fourth Proportional to 5,999.80, 8,975.67 and 5,186.83

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Solution

The fourth proportional to 5,999.80, 8,975.67 and 5,186.83 is: 7,759.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,999.80 : 8,975.67 = 5,186.83 : x
  2. Step 2: Convert to fraction form
    5,999.80/8,975.67 = 5,186.83/x
  3. Step 3: Cross multiply
    5,999.80x = 8,975.67 × 5,186.83
  4. Step 4: Simplify right side
    5,999.80x = 46,555,274.43
  5. Step 5: Solve for x
    x = 46,555,274.43/5,999.80
  6. Step 6: Final answer
    x = 7,759.47

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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.