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Finding the Fourth Proportional to 5,163.63, 7,744.63 and 4,291.73

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Solution

The fourth proportional to 5,163.63, 7,744.63 and 4,291.73 is: 6,436.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,163.63 : 7,744.63 = 4,291.73 : x
  2. Step 2: Convert to fraction form
    5,163.63/7,744.63 = 4,291.73/x
  3. Step 3: Cross multiply
    5,163.63x = 7,744.63 × 4,291.73
  4. Step 4: Simplify right side
    5,163.63x = 33,237,860.91
  5. Step 5: Solve for x
    x = 33,237,860.91/5,163.63
  6. Step 6: Final answer
    x = 6,436.92

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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.