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Finding the Fourth Proportional to 54,940.40, 82,410.60 and 37,225.70

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Solution

The fourth proportional to 54,940.40, 82,410.60 and 37,225.70 is: 55,838.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,940.40 : 82,410.60 = 37,225.70 : x
  2. Step 2: Convert to fraction form
    54,940.40/82,410.60 = 37,225.70/x
  3. Step 3: Cross multiply
    54,940.40x = 82,410.60 × 37,225.70
  4. Step 4: Simplify right side
    54,940.40x = 3,067,792,272.42
  5. Step 5: Solve for x
    x = 3,067,792,272.42/54,940.40
  6. Step 6: Final answer
    x = 55,838.55

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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.