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Finding the Fourth Proportional to 45,847.88, 68,757.24 and 17,765.99

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Solution

The fourth proportional to 45,847.88, 68,757.24 and 17,765.99 is: 26,643.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,847.88 : 68,757.24 = 17,765.99 : x
  2. Step 2: Convert to fraction form
    45,847.88/68,757.24 = 17,765.99/x
  3. Step 3: Cross multiply
    45,847.88x = 68,757.24 × 17,765.99
  4. Step 4: Simplify right side
    45,847.88x = 1,221,540,438.27
  5. Step 5: Solve for x
    x = 1,221,540,438.27/45,847.88
  6. Step 6: Final answer
    x = 26,643.34

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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.