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Finding the Fourth Proportional to 2,027.96, 2,797.96 and 1,241.20

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Solution

The fourth proportional to 2,027.96, 2,797.96 and 1,241.20 is: 1,712.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,027.96 : 2,797.96 = 1,241.20 : x
  2. Step 2: Convert to fraction form
    2,027.96/2,797.96 = 1,241.20/x
  3. Step 3: Cross multiply
    2,027.96x = 2,797.96 × 1,241.20
  4. Step 4: Simplify right side
    2,027.96x = 3,472,827.95
  5. Step 5: Solve for x
    x = 3,472,827.95/2,027.96
  6. Step 6: Final answer
    x = 1,712.47

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1.5x scale

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.