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Finding the Fourth Proportional to 54,578.88, 81,848.88 and 37,063.44

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Solution

The fourth proportional to 54,578.88, 81,848.88 and 37,063.44 is: 55,581.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,578.88 : 81,848.88 = 37,063.44 : x
  2. Step 2: Convert to fraction form
    54,578.88/81,848.88 = 37,063.44/x
  3. Step 3: Cross multiply
    54,578.88x = 81,848.88 × 37,063.44
  4. Step 4: Simplify right side
    54,578.88x = 3,033,601,052.95
  5. Step 5: Solve for x
    x = 3,033,601,052.95/54,578.88
  6. Step 6: Final answer
    x = 55,581.96

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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.