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Finding the Fourth Proportional to 37,080.48, 55,620.96 and 9,378.56

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Solution

The fourth proportional to 37,080.48, 55,620.96 and 9,378.56 is: 14,067.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,080.48 : 55,620.96 = 9,378.56 : x
  2. Step 2: Convert to fraction form
    37,080.48/55,620.96 = 9,378.56/x
  3. Step 3: Cross multiply
    37,080.48x = 55,620.96 × 9,378.56
  4. Step 4: Simplify right side
    37,080.48x = 521,644,510.62
  5. Step 5: Solve for x
    x = 521,644,510.62/37,080.48
  6. Step 6: Final answer
    x = 14,067.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.