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Finding the Fourth Proportional to 6,176.80, 9,268.80 and 2,281.60

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Solution

The fourth proportional to 6,176.80, 9,268.80 and 2,281.60 is: 3,423.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,176.80 : 9,268.80 = 2,281.60 : x
  2. Step 2: Convert to fraction form
    6,176.80/9,268.80 = 2,281.60/x
  3. Step 3: Cross multiply
    6,176.80x = 9,268.80 × 2,281.60
  4. Step 4: Simplify right side
    6,176.80x = 21,147,694.08
  5. Step 5: Solve for x
    x = 21,147,694.08/6,176.80
  6. Step 6: Final answer
    x = 3,423.73

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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.