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Finding the Fourth Proportional to 53,338.73, 73,552.32 and 45,809.99

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Solution

The fourth proportional to 53,338.73, 73,552.32 and 45,809.99 is: 63,170.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,338.73 : 73,552.32 = 45,809.99 : x
  2. Step 2: Convert to fraction form
    53,338.73/73,552.32 = 45,809.99/x
  3. Step 3: Cross multiply
    53,338.73x = 73,552.32 × 45,809.99
  4. Step 4: Simplify right side
    53,338.73x = 3,369,431,043.68
  5. Step 5: Solve for x
    x = 3,369,431,043.68/53,338.73
  6. Step 6: Final answer
    x = 63,170.44

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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.