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Finding the Fourth Proportional to 57,558.56, 86,315.12 and 27,967.64

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Solution

The fourth proportional to 57,558.56, 86,315.12 and 27,967.64 is: 41,940.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,558.56 : 86,315.12 = 27,967.64 : x
  2. Step 2: Convert to fraction form
    57,558.56/86,315.12 = 27,967.64/x
  3. Step 3: Cross multiply
    57,558.56x = 86,315.12 × 27,967.64
  4. Step 4: Simplify right side
    57,558.56x = 2,414,030,202.72
  5. Step 5: Solve for x
    x = 2,414,030,202.72/57,558.56
  6. Step 6: Final answer
    x = 41,940.42

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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.