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Finding the Fourth Proportional to 24,583.60, 36,880.80 and 7,940.80

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Solution

The fourth proportional to 24,583.60, 36,880.80 and 7,940.80 is: 11,912.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,583.60 : 36,880.80 = 7,940.80 : x
  2. Step 2: Convert to fraction form
    24,583.60/36,880.80 = 7,940.80/x
  3. Step 3: Cross multiply
    24,583.60x = 36,880.80 × 7,940.80
  4. Step 4: Simplify right side
    24,583.60x = 292,863,056.64
  5. Step 5: Solve for x
    x = 292,863,056.64/24,583.60
  6. Step 6: Final answer
    x = 11,912.94

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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.