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Finding the Fourth Proportional to 6,873.48, 10,313.48 and 3,173.65

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Solution

The fourth proportional to 6,873.48, 10,313.48 and 3,173.65 is: 4,761.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,873.48 : 10,313.48 = 3,173.65 : x
  2. Step 2: Convert to fraction form
    6,873.48/10,313.48 = 3,173.65/x
  3. Step 3: Cross multiply
    6,873.48x = 10,313.48 × 3,173.65
  4. Step 4: Simplify right side
    6,873.48x = 32,731,375.80
  5. Step 5: Solve for x
    x = 32,731,375.80/6,873.48
  6. Step 6: Final answer
    x = 4,761.98

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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.