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Finding the Fourth Proportional to 2,563.64, 3,540.42 and 2,208.84

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Solution

The fourth proportional to 2,563.64, 3,540.42 and 2,208.84 is: 3,050.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,563.64 : 3,540.42 = 2,208.84 : x
  2. Step 2: Convert to fraction form
    2,563.64/3,540.42 = 2,208.84/x
  3. Step 3: Cross multiply
    2,563.64x = 3,540.42 × 2,208.84
  4. Step 4: Simplify right side
    2,563.64x = 7,820,221.31
  5. Step 5: Solve for x
    x = 7,820,221.31/2,563.64
  6. Step 6: Final answer
    x = 3,050.44

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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.