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Finding the Fourth Proportional to 3,197.80, 4,794.54 and 1,116.82

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Solution

The fourth proportional to 3,197.80, 4,794.54 and 1,116.82 is: 1,674.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,197.80 : 4,794.54 = 1,116.82 : x
  2. Step 2: Convert to fraction form
    3,197.80/4,794.54 = 1,116.82/x
  3. Step 3: Cross multiply
    3,197.80x = 4,794.54 × 1,116.82
  4. Step 4: Simplify right side
    3,197.80x = 5,354,638.16
  5. Step 5: Solve for x
    x = 5,354,638.16/3,197.80
  6. Step 6: Final answer
    x = 1,674.48

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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.