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Finding the Fourth Proportional to 2,451.56, 3,658.27 and 2,163.56

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Solution

The fourth proportional to 2,451.56, 3,658.27 and 2,163.56 is: 3,228.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,451.56 : 3,658.27 = 2,163.56 : x
  2. Step 2: Convert to fraction form
    2,451.56/3,658.27 = 2,163.56/x
  3. Step 3: Cross multiply
    2,451.56x = 3,658.27 × 2,163.56
  4. Step 4: Simplify right side
    2,451.56x = 7,914,886.64
  5. Step 5: Solve for x
    x = 7,914,886.64/2,451.56
  6. Step 6: Final answer
    x = 3,228.51

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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.