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Finding the Fourth Proportional to 5,990.70, 8,266.80 and 3,337.63

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Solution

The fourth proportional to 5,990.70, 8,266.80 and 3,337.63 is: 4,605.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,990.70 : 8,266.80 = 3,337.63 : x
  2. Step 2: Convert to fraction form
    5,990.70/8,266.80 = 3,337.63/x
  3. Step 3: Cross multiply
    5,990.70x = 8,266.80 × 3,337.63
  4. Step 4: Simplify right side
    5,990.70x = 27,591,519.68
  5. Step 5: Solve for x
    x = 27,591,519.68/5,990.70
  6. Step 6: Final answer
    x = 4,605.73

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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.