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Finding the Fourth Proportional to 40,562.53, 60,850.80 and 18,081.21

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Solution

The fourth proportional to 40,562.53, 60,850.80 and 18,081.21 is: 27,124.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,562.53 : 60,850.80 = 18,081.21 : x
  2. Step 2: Convert to fraction form
    40,562.53/60,850.80 = 18,081.21/x
  3. Step 3: Cross multiply
    40,562.53x = 60,850.80 × 18,081.21
  4. Step 4: Simplify right side
    40,562.53x = 1,100,256,093.47
  5. Step 5: Solve for x
    x = 1,100,256,093.47/40,562.53
  6. Step 6: Final answer
    x = 27,124.94

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Why These Related Problems?

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