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Finding the Fourth Proportional to 62,657.92, 93,977.34 and 20,537.92

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Solution

The fourth proportional to 62,657.92, 93,977.34 and 20,537.92 is: 30,803.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,657.92 : 93,977.34 = 20,537.92 : x
  2. Step 2: Convert to fraction form
    62,657.92/93,977.34 = 20,537.92/x
  3. Step 3: Cross multiply
    62,657.92x = 93,977.34 × 20,537.92
  4. Step 4: Simplify right side
    62,657.92x = 1,930,099,090.73
  5. Step 5: Solve for x
    x = 1,930,099,090.73/62,657.92
  6. Step 6: Final answer
    x = 30,803.75

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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.