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Finding the Fourth Proportional to 5,809, 8,704.98 and 3,611.04

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Solution

The fourth proportional to 5,809, 8,704.98 and 3,611.04 is: 5,411.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,809 : 8,704.98 = 3,611.04 : x
  2. Step 2: Convert to fraction form
    5,809/8,704.98 = 3,611.04/x
  3. Step 3: Cross multiply
    5,809x = 8,704.98 × 3,611.04
  4. Step 4: Simplify right side
    5,809x = 31,434,030.98
  5. Step 5: Solve for x
    x = 31,434,030.98/5,809
  6. Step 6: Final answer
    x = 5,411.26

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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.