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Finding the Fourth Proportional to 79,063.50, 118,647.78 and 36,946.85

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Solution

The fourth proportional to 79,063.50, 118,647.78 and 36,946.85 is: 55,444.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,063.50 : 118,647.78 = 36,946.85 : x
  2. Step 2: Convert to fraction form
    79,063.50/118,647.78 = 36,946.85/x
  3. Step 3: Cross multiply
    79,063.50x = 118,647.78 × 36,946.85
  4. Step 4: Simplify right side
    79,063.50x = 4,383,660,998.70
  5. Step 5: Solve for x
    x = 4,383,660,998.70/79,063.50
  6. Step 6: Final answer
    x = 55,444.81

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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.