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Finding the Fourth Proportional to 5,735.58, 8,604.72 and 1,786.64

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Solution

The fourth proportional to 5,735.58, 8,604.72 and 1,786.64 is: 2,680.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,735.58 : 8,604.72 = 1,786.64 : x
  2. Step 2: Convert to fraction form
    5,735.58/8,604.72 = 1,786.64/x
  3. Step 3: Cross multiply
    5,735.58x = 8,604.72 × 1,786.64
  4. Step 4: Simplify right side
    5,735.58x = 15,373,536.94
  5. Step 5: Solve for x
    x = 15,373,536.94/5,735.58
  6. Step 6: Final answer
    x = 2,680.38

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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.