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Finding the Fourth Proportional to 54,446.99, 81,479.12 and 33,381.32

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Solution

The fourth proportional to 54,446.99, 81,479.12 and 33,381.32 is: 49,954.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,446.99 : 81,479.12 = 33,381.32 : x
  2. Step 2: Convert to fraction form
    54,446.99/81,479.12 = 33,381.32/x
  3. Step 3: Cross multiply
    54,446.99x = 81,479.12 × 33,381.32
  4. Step 4: Simplify right side
    54,446.99x = 2,719,880,003.74
  5. Step 5: Solve for x
    x = 2,719,880,003.74/54,446.99
  6. Step 6: Final answer
    x = 49,954.65

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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.