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Finding the Fourth Proportional to 40,310.80, 60,401.40 and 33,701.20

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Solution

The fourth proportional to 40,310.80, 60,401.40 and 33,701.20 is: 50,497.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,310.80 : 60,401.40 = 33,701.20 : x
  2. Step 2: Convert to fraction form
    40,310.80/60,401.40 = 33,701.20/x
  3. Step 3: Cross multiply
    40,310.80x = 60,401.40 × 33,701.20
  4. Step 4: Simplify right side
    40,310.80x = 2,035,599,661.68
  5. Step 5: Solve for x
    x = 2,035,599,661.68/40,310.80
  6. Step 6: Final answer
    x = 50,497.62

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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.