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Finding the Fourth Proportional to 45,671.97, 68,489.82 and 17,576.43

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Solution

The fourth proportional to 45,671.97, 68,489.82 and 17,576.43 is: 26,357.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,671.97 : 68,489.82 = 17,576.43 : x
  2. Step 2: Convert to fraction form
    45,671.97/68,489.82 = 17,576.43/x
  3. Step 3: Cross multiply
    45,671.97x = 68,489.82 × 17,576.43
  4. Step 4: Simplify right side
    45,671.97x = 1,203,806,526.94
  5. Step 5: Solve for x
    x = 1,203,806,526.94/45,671.97
  6. Step 6: Final answer
    x = 26,357.67

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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.