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Finding the Fourth Proportional to 6,959.60, 10,441.80 and 3,066.80

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Solution

The fourth proportional to 6,959.60, 10,441.80 and 3,066.80 is: 4,601.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,959.60 : 10,441.80 = 3,066.80 : x
  2. Step 2: Convert to fraction form
    6,959.60/10,441.80 = 3,066.80/x
  3. Step 3: Cross multiply
    6,959.60x = 10,441.80 × 3,066.80
  4. Step 4: Simplify right side
    6,959.60x = 32,022,912.24
  5. Step 5: Solve for x
    x = 32,022,912.24/6,959.60
  6. Step 6: Final answer
    x = 4,601.26

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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.