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Finding the Fourth Proportional to 2,722.92, 3,756.53 and 1,975.23

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Solution

The fourth proportional to 2,722.92, 3,756.53 and 1,975.23 is: 2,725.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.92 : 3,756.53 = 1,975.23 : x
  2. Step 2: Convert to fraction form
    2,722.92/3,756.53 = 1,975.23/x
  3. Step 3: Cross multiply
    2,722.92x = 3,756.53 × 1,975.23
  4. Step 4: Simplify right side
    2,722.92x = 7,420,015.69
  5. Step 5: Solve for x
    x = 7,420,015.69/2,722.92
  6. Step 6: Final answer
    x = 2,725.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.