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Finding the Fourth Proportional to 6,000.48, 8,990.39 and 5,391.77

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Solution

The fourth proportional to 6,000.48, 8,990.39 and 5,391.77 is: 8,078.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,000.48 : 8,990.39 = 5,391.77 : x
  2. Step 2: Convert to fraction form
    6,000.48/8,990.39 = 5,391.77/x
  3. Step 3: Cross multiply
    6,000.48x = 8,990.39 × 5,391.77
  4. Step 4: Simplify right side
    6,000.48x = 48,474,083.62
  5. Step 5: Solve for x
    x = 48,474,083.62/6,000.48
  6. Step 6: Final answer
    x = 8,078.37

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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.