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Finding the Fourth Proportional to 2,216.46, 3,324.54 and 755.58

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Solution

The fourth proportional to 2,216.46, 3,324.54 and 755.58 is: 1,133.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,216.46 : 3,324.54 = 755.58 : x
  2. Step 2: Convert to fraction form
    2,216.46/3,324.54 = 755.58/x
  3. Step 3: Cross multiply
    2,216.46x = 3,324.54 × 755.58
  4. Step 4: Simplify right side
    2,216.46x = 2,511,952.53
  5. Step 5: Solve for x
    x = 2,511,952.53/2,216.46
  6. Step 6: Final answer
    x = 1,133.32

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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.