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Finding the Fourth Proportional to 3,846.94, 5,309.10 and 2,232.44

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Solution

The fourth proportional to 3,846.94, 5,309.10 and 2,232.44 is: 3,080.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,846.94 : 5,309.10 = 2,232.44 : x
  2. Step 2: Convert to fraction form
    3,846.94/5,309.10 = 2,232.44/x
  3. Step 3: Cross multiply
    3,846.94x = 5,309.10 × 2,232.44
  4. Step 4: Simplify right side
    3,846.94x = 11,852,247.20
  5. Step 5: Solve for x
    x = 11,852,247.20/3,846.94
  6. Step 6: Final answer
    x = 3,080.95

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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.