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Finding the Fourth Proportional to 2,767.77, 4,126.14 and 2,629.26

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Solution

The fourth proportional to 2,767.77, 4,126.14 and 2,629.26 is: 3,919.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767.77 : 4,126.14 = 2,629.26 : x
  2. Step 2: Convert to fraction form
    2,767.77/4,126.14 = 2,629.26/x
  3. Step 3: Cross multiply
    2,767.77x = 4,126.14 × 2,629.26
  4. Step 4: Simplify right side
    2,767.77x = 10,848,694.86
  5. Step 5: Solve for x
    x = 10,848,694.86/2,767.77
  6. Step 6: Final answer
    x = 3,919.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.