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Finding the Fourth Proportional to 2,936.54, 4,376.21 and 2,847.54

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Solution

The fourth proportional to 2,936.54, 4,376.21 and 2,847.54 is: 4,243.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,936.54 : 4,376.21 = 2,847.54 : x
  2. Step 2: Convert to fraction form
    2,936.54/4,376.21 = 2,847.54/x
  3. Step 3: Cross multiply
    2,936.54x = 4,376.21 × 2,847.54
  4. Step 4: Simplify right side
    2,936.54x = 12,461,418.79
  5. Step 5: Solve for x
    x = 12,461,418.79/2,936.54
  6. Step 6: Final answer
    x = 4,243.58

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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.