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Finding the Fourth Proportional to 2,224.94, 3,336.29 and 743.63

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Solution

The fourth proportional to 2,224.94, 3,336.29 and 743.63 is: 1,115.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,224.94 : 3,336.29 = 743.63 : x
  2. Step 2: Convert to fraction form
    2,224.94/3,336.29 = 743.63/x
  3. Step 3: Cross multiply
    2,224.94x = 3,336.29 × 743.63
  4. Step 4: Simplify right side
    2,224.94x = 2,480,969.96
  5. Step 5: Solve for x
    x = 2,480,969.96/2,224.94
  6. Step 6: Final answer
    x = 1,115.07

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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.