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Finding the Fourth Proportional to 57,231.30, 85,846.95 and 23,940.30

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Solution

The fourth proportional to 57,231.30, 85,846.95 and 23,940.30 is: 35,910.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,231.30 : 85,846.95 = 23,940.30 : x
  2. Step 2: Convert to fraction form
    57,231.30/85,846.95 = 23,940.30/x
  3. Step 3: Cross multiply
    57,231.30x = 85,846.95 × 23,940.30
  4. Step 4: Simplify right side
    57,231.30x = 2,055,201,737.09
  5. Step 5: Solve for x
    x = 2,055,201,737.09/57,231.30
  6. Step 6: Final answer
    x = 35,910.45

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Similar ratio
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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.