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Finding the Fourth Proportional to 2,816.07, 4,224.36 and 736.07

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Solution

The fourth proportional to 2,816.07, 4,224.36 and 736.07 is: 1,104.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,816.07 : 4,224.36 = 736.07 : x
  2. Step 2: Convert to fraction form
    2,816.07/4,224.36 = 736.07/x
  3. Step 3: Cross multiply
    2,816.07x = 4,224.36 × 736.07
  4. Step 4: Simplify right side
    2,816.07x = 3,109,403.54
  5. Step 5: Solve for x
    x = 3,109,403.54/2,816.07
  6. Step 6: Final answer
    x = 1,104.16

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1.5x scale

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.