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Finding the Fourth Proportional to 62,835.54, 94,217.73 and 20,704.20

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Solution

The fourth proportional to 62,835.54, 94,217.73 and 20,704.20 is: 31,044.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,835.54 : 94,217.73 = 20,704.20 : x
  2. Step 2: Convert to fraction form
    62,835.54/94,217.73 = 20,704.20/x
  3. Step 3: Cross multiply
    62,835.54x = 94,217.73 × 20,704.20
  4. Step 4: Simplify right side
    62,835.54x = 1,950,702,725.47
  5. Step 5: Solve for x
    x = 1,950,702,725.47/62,835.54
  6. Step 6: Final answer
    x = 31,044.58

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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.