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Finding the Fourth Proportional to 7,995.63, 11,993.37 and 4,485.63

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Solution

The fourth proportional to 7,995.63, 11,993.37 and 4,485.63 is: 6,728.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,995.63 : 11,993.37 = 4,485.63 : x
  2. Step 2: Convert to fraction form
    7,995.63/11,993.37 = 4,485.63/x
  3. Step 3: Cross multiply
    7,995.63x = 11,993.37 × 4,485.63
  4. Step 4: Simplify right side
    7,995.63x = 53,797,820.27
  5. Step 5: Solve for x
    x = 53,797,820.27/7,995.63
  6. Step 6: Final answer
    x = 6,728.40

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Double scale
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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.