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Finding the Fourth Proportional to 49,645.88, 68,511.31 and 27,289.88

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Solution

The fourth proportional to 49,645.88, 68,511.31 and 27,289.88 is: 37,660.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,645.88 : 68,511.31 = 27,289.88 : x
  2. Step 2: Convert to fraction form
    49,645.88/68,511.31 = 27,289.88/x
  3. Step 3: Cross multiply
    49,645.88x = 68,511.31 × 27,289.88
  4. Step 4: Simplify right side
    49,645.88x = 1,869,665,428.54
  5. Step 5: Solve for x
    x = 1,869,665,428.54/49,645.88
  6. Step 6: Final answer
    x = 37,660.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.