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Finding the Fourth Proportional to 5,482.16, 8,223.80 and 2,194.80

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Solution

The fourth proportional to 5,482.16, 8,223.80 and 2,194.80 is: 3,292.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,482.16 : 8,223.80 = 2,194.80 : x
  2. Step 2: Convert to fraction form
    5,482.16/8,223.80 = 2,194.80/x
  3. Step 3: Cross multiply
    5,482.16x = 8,223.80 × 2,194.80
  4. Step 4: Simplify right side
    5,482.16x = 18,049,596.24
  5. Step 5: Solve for x
    x = 18,049,596.24/5,482.16
  6. Step 6: Final answer
    x = 3,292.42

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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.