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Finding the Fourth Proportional to 57,399.75, 86,104.50 and 15,846.75

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Solution

The fourth proportional to 57,399.75, 86,104.50 and 15,846.75 is: 23,771.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,399.75 : 86,104.50 = 15,846.75 : x
  2. Step 2: Convert to fraction form
    57,399.75/86,104.50 = 15,846.75/x
  3. Step 3: Cross multiply
    57,399.75x = 86,104.50 × 15,846.75
  4. Step 4: Simplify right side
    57,399.75x = 1,364,476,485.38
  5. Step 5: Solve for x
    x = 1,364,476,485.38/57,399.75
  6. Step 6: Final answer
    x = 23,771.47

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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.