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Finding the Fourth Proportional to 2,224.43, 3,335.51 and 743.12

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Solution

The fourth proportional to 2,224.43, 3,335.51 and 743.12 is: 1,114.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,224.43 : 3,335.51 = 743.12 : x
  2. Step 2: Convert to fraction form
    2,224.43/3,335.51 = 743.12/x
  3. Step 3: Cross multiply
    2,224.43x = 3,335.51 × 743.12
  4. Step 4: Simplify right side
    2,224.43x = 2,478,686.05
  5. Step 5: Solve for x
    x = 2,478,686.05/2,224.43
  6. Step 6: Final answer
    x = 1,114.30

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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.