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Finding the Fourth Proportional to 54,753.98, 82,130.96 and 19,696.37

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Solution

The fourth proportional to 54,753.98, 82,130.96 and 19,696.37 is: 29,544.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,753.98 : 82,130.96 = 19,696.37 : x
  2. Step 2: Convert to fraction form
    54,753.98/82,130.96 = 19,696.37/x
  3. Step 3: Cross multiply
    54,753.98x = 82,130.96 × 19,696.37
  4. Step 4: Simplify right side
    54,753.98x = 1,617,681,415.20
  5. Step 5: Solve for x
    x = 1,617,681,415.20/54,753.98
  6. Step 6: Final answer
    x = 29,544.55

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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.