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Finding the Fourth Proportional to 4,520.48, 6,786.48 and 4,473.90

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Solution

The fourth proportional to 4,520.48, 6,786.48 and 4,473.90 is: 6,716.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,520.48 : 6,786.48 = 4,473.90 : x
  2. Step 2: Convert to fraction form
    4,520.48/6,786.48 = 4,473.90/x
  3. Step 3: Cross multiply
    4,520.48x = 6,786.48 × 4,473.90
  4. Step 4: Simplify right side
    4,520.48x = 30,362,049.65
  5. Step 5: Solve for x
    x = 30,362,049.65/4,520.48
  6. Step 6: Final answer
    x = 6,716.56

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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.