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Finding the Fourth Proportional to 1,453.58, 2,180.87 and 796.16

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Solution

The fourth proportional to 1,453.58, 2,180.87 and 796.16 is: 1,194.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453.58 : 2,180.87 = 796.16 : x
  2. Step 2: Convert to fraction form
    1,453.58/2,180.87 = 796.16/x
  3. Step 3: Cross multiply
    1,453.58x = 2,180.87 × 796.16
  4. Step 4: Simplify right side
    1,453.58x = 1,736,306.57
  5. Step 5: Solve for x
    x = 1,736,306.57/1,453.58
  6. Step 6: Final answer
    x = 1,194.51

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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.