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Finding the Fourth Proportional to 45,793.80, 68,706.90 and 44,173.80

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Solution

The fourth proportional to 45,793.80, 68,706.90 and 44,173.80 is: 66,276.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,793.80 : 68,706.90 = 44,173.80 : x
  2. Step 2: Convert to fraction form
    45,793.80/68,706.90 = 44,173.80/x
  3. Step 3: Cross multiply
    45,793.80x = 68,706.90 × 44,173.80
  4. Step 4: Simplify right side
    45,793.80x = 3,035,044,859.22
  5. Step 5: Solve for x
    x = 3,035,044,859.22/45,793.80
  6. Step 6: Final answer
    x = 66,276.33

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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.