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Finding the Fourth Proportional to 6,975.68, 10,467.68 and 2,815.16

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Solution

The fourth proportional to 6,975.68, 10,467.68 and 2,815.16 is: 4,224.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,975.68 : 10,467.68 = 2,815.16 : x
  2. Step 2: Convert to fraction form
    6,975.68/10,467.68 = 2,815.16/x
  3. Step 3: Cross multiply
    6,975.68x = 10,467.68 × 2,815.16
  4. Step 4: Simplify right side
    6,975.68x = 29,468,194.03
  5. Step 5: Solve for x
    x = 29,468,194.03/6,975.68
  6. Step 6: Final answer
    x = 4,224.42

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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.