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Finding the Fourth Proportional to 54,583.80, 81,855.23 and 19,036.01

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Solution

The fourth proportional to 54,583.80, 81,855.23 and 19,036.01 is: 28,546.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,583.80 : 81,855.23 = 19,036.01 : x
  2. Step 2: Convert to fraction form
    54,583.80/81,855.23 = 19,036.01/x
  3. Step 3: Cross multiply
    54,583.80x = 81,855.23 × 19,036.01
  4. Step 4: Simplify right side
    54,583.80x = 1,558,197,246.91
  5. Step 5: Solve for x
    x = 1,558,197,246.91/54,583.80
  6. Step 6: Final answer
    x = 28,546.88

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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.