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Finding the Fourth Proportional to 62,106.75, 93,174.91 and 20,553.75

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Solution

The fourth proportional to 62,106.75, 93,174.91 and 20,553.75 is: 30,835.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,106.75 : 93,174.91 = 20,553.75 : x
  2. Step 2: Convert to fraction form
    62,106.75/93,174.91 = 20,553.75/x
  3. Step 3: Cross multiply
    62,106.75x = 93,174.91 × 20,553.75
  4. Step 4: Simplify right side
    62,106.75x = 1,915,093,755.03
  5. Step 5: Solve for x
    x = 1,915,093,755.03/62,106.75
  6. Step 6: Final answer
    x = 30,835.52

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1.5x scale

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.