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Finding the Fourth Proportional to 54,651.90, 75,422.44 and 33,424.50

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Solution

The fourth proportional to 54,651.90, 75,422.44 and 33,424.50 is: 46,127.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,651.90 : 75,422.44 = 33,424.50 : x
  2. Step 2: Convert to fraction form
    54,651.90/75,422.44 = 33,424.50/x
  3. Step 3: Cross multiply
    54,651.90x = 75,422.44 × 33,424.50
  4. Step 4: Simplify right side
    54,651.90x = 2,520,957,345.78
  5. Step 5: Solve for x
    x = 2,520,957,345.78/54,651.90
  6. Step 6: Final answer
    x = 46,127.53

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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.