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Finding the Fourth Proportional to 2,963.45, 4,449.74 and 2,507.22

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Solution

The fourth proportional to 2,963.45, 4,449.74 and 2,507.22 is: 3,764.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,963.45 : 4,449.74 = 2,507.22 : x
  2. Step 2: Convert to fraction form
    2,963.45/4,449.74 = 2,507.22/x
  3. Step 3: Cross multiply
    2,963.45x = 4,449.74 × 2,507.22
  4. Step 4: Simplify right side
    2,963.45x = 11,156,464.59
  5. Step 5: Solve for x
    x = 11,156,464.59/2,963.45
  6. Step 6: Final answer
    x = 3,764.69

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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.