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Finding the Fourth Proportional to 5,662.03, 8,491.42 and 1,765.39

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Solution

The fourth proportional to 5,662.03, 8,491.42 and 1,765.39 is: 2,647.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,662.03 : 8,491.42 = 1,765.39 : x
  2. Step 2: Convert to fraction form
    5,662.03/8,491.42 = 1,765.39/x
  3. Step 3: Cross multiply
    5,662.03x = 8,491.42 × 1,765.39
  4. Step 4: Simplify right side
    5,662.03x = 14,990,667.95
  5. Step 5: Solve for x
    x = 14,990,667.95/5,662.03
  6. Step 6: Final answer
    x = 2,647.58

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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.