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Finding the Fourth Proportional to 5,991.42, 8,990.94 and 2,528.70

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Solution

The fourth proportional to 5,991.42, 8,990.94 and 2,528.70 is: 3,794.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,991.42 : 8,990.94 = 2,528.70 : x
  2. Step 2: Convert to fraction form
    5,991.42/8,990.94 = 2,528.70/x
  3. Step 3: Cross multiply
    5,991.42x = 8,990.94 × 2,528.70
  4. Step 4: Simplify right side
    5,991.42x = 22,735,389.98
  5. Step 5: Solve for x
    x = 22,735,389.98/5,991.42
  6. Step 6: Final answer
    x = 3,794.66

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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.