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Finding the Fourth Proportional to 2,816.34, 4,224.51 and 736.34

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Solution

The fourth proportional to 2,816.34, 4,224.51 and 736.34 is: 1,104.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,816.34 : 4,224.51 = 736.34 : x
  2. Step 2: Convert to fraction form
    2,816.34/4,224.51 = 736.34/x
  3. Step 3: Cross multiply
    2,816.34x = 4,224.51 × 736.34
  4. Step 4: Simplify right side
    2,816.34x = 3,110,675.69
  5. Step 5: Solve for x
    x = 3,110,675.69/2,816.34
  6. Step 6: Final answer
    x = 1,104.51

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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.