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Finding the Fourth Proportional to 5,990.96, 8,990.70 and 2,706.82

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Solution

The fourth proportional to 5,990.96, 8,990.70 and 2,706.82 is: 4,062.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,990.96 : 8,990.70 = 2,706.82 : x
  2. Step 2: Convert to fraction form
    5,990.96/8,990.70 = 2,706.82/x
  3. Step 3: Cross multiply
    5,990.96x = 8,990.70 × 2,706.82
  4. Step 4: Simplify right side
    5,990.96x = 24,336,173.95
  5. Step 5: Solve for x
    x = 24,336,173.95/5,990.96
  6. Step 6: Final answer
    x = 4,062.15

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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.