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Finding the Fourth Proportional to 62,794.09, 94,205 and 20,672.47

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Solution

The fourth proportional to 62,794.09, 94,205 and 20,672.47 is: 31,013.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,794.09 : 94,205 = 20,672.47 : x
  2. Step 2: Convert to fraction form
    62,794.09/94,205 = 20,672.47/x
  3. Step 3: Cross multiply
    62,794.09x = 94,205 × 20,672.47
  4. Step 4: Simplify right side
    62,794.09x = 1,947,450,036.35
  5. Step 5: Solve for x
    x = 1,947,450,036.35/62,794.09
  6. Step 6: Final answer
    x = 31,013.27

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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.