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Finding the Fourth Proportional to 9,200.80, 13,794.45 and 3,651.40

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Solution

The fourth proportional to 9,200.80, 13,794.45 and 3,651.40 is: 5,474.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,200.80 : 13,794.45 = 3,651.40 : x
  2. Step 2: Convert to fraction form
    9,200.80/13,794.45 = 3,651.40/x
  3. Step 3: Cross multiply
    9,200.80x = 13,794.45 × 3,651.40
  4. Step 4: Simplify right side
    9,200.80x = 50,369,054.73
  5. Step 5: Solve for x
    x = 50,369,054.73/9,200.80
  6. Step 6: Final answer
    x = 5,474.42

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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.