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Finding the Fourth Proportional to 8,850.36, 13,293.77 and 8,555.12

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Solution

The fourth proportional to 8,850.36, 13,293.77 and 8,555.12 is: 12,850.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,850.36 : 13,293.77 = 8,555.12 : x
  2. Step 2: Convert to fraction form
    8,850.36/13,293.77 = 8,555.12/x
  3. Step 3: Cross multiply
    8,850.36x = 13,293.77 × 8,555.12
  4. Step 4: Simplify right side
    8,850.36x = 113,729,786.33
  5. Step 5: Solve for x
    x = 113,729,786.33/8,850.36
  6. Step 6: Final answer
    x = 12,850.30

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Half scale
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Double scale
Find fourth proportional to 8,851.36, 13,295.27 and 8,556.12
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.