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Finding the Fourth Proportional to 60,581.80, 90,786.30 and 44,662.60

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Solution

The fourth proportional to 60,581.80, 90,786.30 and 44,662.60 is: 66,930.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,581.80 : 90,786.30 = 44,662.60 : x
  2. Step 2: Convert to fraction form
    60,581.80/90,786.30 = 44,662.60/x
  3. Step 3: Cross multiply
    60,581.80x = 90,786.30 × 44,662.60
  4. Step 4: Simplify right side
    60,581.80x = 4,054,752,202.38
  5. Step 5: Solve for x
    x = 4,054,752,202.38/60,581.80
  6. Step 6: Final answer
    x = 66,930.20

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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.