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Finding the Fourth Proportional to 54,305.55, 74,889.15 and 38,167.65

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Solution

The fourth proportional to 54,305.55, 74,889.15 and 38,167.65 is: 52,634.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,305.55 : 74,889.15 = 38,167.65 : x
  2. Step 2: Convert to fraction form
    54,305.55/74,889.15 = 38,167.65/x
  3. Step 3: Cross multiply
    54,305.55x = 74,889.15 × 38,167.65
  4. Step 4: Simplify right side
    54,305.55x = 2,858,342,866.00
  5. Step 5: Solve for x
    x = 2,858,342,866.00/54,305.55
  6. Step 6: Final answer
    x = 52,634.45

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.