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Finding the Fourth Proportional to 23,960.80, 35,946.60 and 7,321.60

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Solution

The fourth proportional to 23,960.80, 35,946.60 and 7,321.60 is: 10,984.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,960.80 : 35,946.60 = 7,321.60 : x
  2. Step 2: Convert to fraction form
    23,960.80/35,946.60 = 7,321.60/x
  3. Step 3: Cross multiply
    23,960.80x = 35,946.60 × 7,321.60
  4. Step 4: Simplify right side
    23,960.80x = 263,186,626.56
  5. Step 5: Solve for x
    x = 263,186,626.56/23,960.80
  6. Step 6: Final answer
    x = 10,984.05

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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.