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Finding the Fourth Proportional to 73,980.40, 111,010.92 and 27,226.48

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Solution

The fourth proportional to 73,980.40, 111,010.92 and 27,226.48 is: 40,854.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,980.40 : 111,010.92 = 27,226.48 : x
  2. Step 2: Convert to fraction form
    73,980.40/111,010.92 = 27,226.48/x
  3. Step 3: Cross multiply
    73,980.40x = 111,010.92 × 27,226.48
  4. Step 4: Simplify right side
    73,980.40x = 3,022,436,593.16
  5. Step 5: Solve for x
    x = 3,022,436,593.16/73,980.40
  6. Step 6: Final answer
    x = 40,854.56

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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.