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Finding the Fourth Proportional to 60,604.80, 90,842.40 and 27,319.20

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Solution

The fourth proportional to 60,604.80, 90,842.40 and 27,319.20 is: 40,949.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,604.80 : 90,842.40 = 27,319.20 : x
  2. Step 2: Convert to fraction form
    60,604.80/90,842.40 = 27,319.20/x
  3. Step 3: Cross multiply
    60,604.80x = 90,842.40 × 27,319.20
  4. Step 4: Simplify right side
    60,604.80x = 2,481,741,694.08
  5. Step 5: Solve for x
    x = 2,481,741,694.08/60,604.80
  6. Step 6: Final answer
    x = 40,949.59

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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.