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Finding the Fourth Proportional to 6,094.80, 8,413.20 and 3,999.60

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Solution

The fourth proportional to 6,094.80, 8,413.20 and 3,999.60 is: 5,521.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,094.80 : 8,413.20 = 3,999.60 : x
  2. Step 2: Convert to fraction form
    6,094.80/8,413.20 = 3,999.60/x
  3. Step 3: Cross multiply
    6,094.80x = 8,413.20 × 3,999.60
  4. Step 4: Simplify right side
    6,094.80x = 33,649,434.72
  5. Step 5: Solve for x
    x = 33,649,434.72/6,094.80
  6. Step 6: Final answer
    x = 5,521.01

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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.