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Finding the Fourth Proportional to 4,626.36, 6,936.30 and 3,900.60

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Solution

The fourth proportional to 4,626.36, 6,936.30 and 3,900.60 is: 5,848.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,626.36 : 6,936.30 = 3,900.60 : x
  2. Step 2: Convert to fraction form
    4,626.36/6,936.30 = 3,900.60/x
  3. Step 3: Cross multiply
    4,626.36x = 6,936.30 × 3,900.60
  4. Step 4: Simplify right side
    4,626.36x = 27,055,731.78
  5. Step 5: Solve for x
    x = 27,055,731.78/4,626.36
  6. Step 6: Final answer
    x = 5,848.17

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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.