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Finding the Fourth Proportional to 5,999.88, 8,280.92 and 3,763.68

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Solution

The fourth proportional to 5,999.88, 8,280.92 and 3,763.68 is: 5,194.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,999.88 : 8,280.92 = 3,763.68 : x
  2. Step 2: Convert to fraction form
    5,999.88/8,280.92 = 3,763.68/x
  3. Step 3: Cross multiply
    5,999.88x = 8,280.92 × 3,763.68
  4. Step 4: Simplify right side
    5,999.88x = 31,166,732.99
  5. Step 5: Solve for x
    x = 31,166,732.99/5,999.88
  6. Step 6: Final answer
    x = 5,194.56

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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.