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Finding the Fourth Proportional to 57,586.88, 86,245.92 and 44,334.08

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Solution

The fourth proportional to 57,586.88, 86,245.92 and 44,334.08 is: 66,397.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,586.88 : 86,245.92 = 44,334.08 : x
  2. Step 2: Convert to fraction form
    57,586.88/86,245.92 = 44,334.08/x
  3. Step 3: Cross multiply
    57,586.88x = 86,245.92 × 44,334.08
  4. Step 4: Simplify right side
    57,586.88x = 3,823,633,516.95
  5. Step 5: Solve for x
    x = 3,823,633,516.95/57,586.88
  6. Step 6: Final answer
    x = 66,397.65

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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.