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Finding the Fourth Proportional to 54,010.68, 74,538.35 and 30,137.87

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Solution

The fourth proportional to 54,010.68, 74,538.35 and 30,137.87 is: 41,592.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,010.68 : 74,538.35 = 30,137.87 : x
  2. Step 2: Convert to fraction form
    54,010.68/74,538.35 = 30,137.87/x
  3. Step 3: Cross multiply
    54,010.68x = 74,538.35 × 30,137.87
  4. Step 4: Simplify right side
    54,010.68x = 2,246,426,578.93
  5. Step 5: Solve for x
    x = 2,246,426,578.93/54,010.68
  6. Step 6: Final answer
    x = 41,592.27

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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.