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Finding the Fourth Proportional to 3,008.64, 4,149.64 and 2,262.64

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Solution

The fourth proportional to 3,008.64, 4,149.64 and 2,262.64 is: 3,120.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,008.64 : 4,149.64 = 2,262.64 : x
  2. Step 2: Convert to fraction form
    3,008.64/4,149.64 = 2,262.64/x
  3. Step 3: Cross multiply
    3,008.64x = 4,149.64 × 2,262.64
  4. Step 4: Simplify right side
    3,008.64x = 9,389,141.45
  5. Step 5: Solve for x
    x = 9,389,141.45/3,008.64
  6. Step 6: Final answer
    x = 3,120.73

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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.