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Finding the Fourth Proportional to 5,899.80, 8,141.85 and 3,247.47

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Solution

The fourth proportional to 5,899.80, 8,141.85 and 3,247.47 is: 4,481.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,899.80 : 8,141.85 = 3,247.47 : x
  2. Step 2: Convert to fraction form
    5,899.80/8,141.85 = 3,247.47/x
  3. Step 3: Cross multiply
    5,899.80x = 8,141.85 × 3,247.47
  4. Step 4: Simplify right side
    5,899.80x = 26,440,413.62
  5. Step 5: Solve for x
    x = 26,440,413.62/5,899.80
  6. Step 6: Final answer
    x = 4,481.58

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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.