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Finding the Fourth Proportional to 54,352.37, 75,006.24 and 30,478.97

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Solution

The fourth proportional to 54,352.37, 75,006.24 and 30,478.97 is: 42,060.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,352.37 : 75,006.24 = 30,478.97 : x
  2. Step 2: Convert to fraction form
    54,352.37/75,006.24 = 30,478.97/x
  3. Step 3: Cross multiply
    54,352.37x = 75,006.24 × 30,478.97
  4. Step 4: Simplify right side
    54,352.37x = 2,286,112,563.74
  5. Step 5: Solve for x
    x = 2,286,112,563.74/54,352.37
  6. Step 6: Final answer
    x = 42,060.96

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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.