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Finding the Fourth Proportional to 54,861.41, 82,294.95 and 17,424.41

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Solution

The fourth proportional to 54,861.41, 82,294.95 and 17,424.41 is: 26,137.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,861.41 : 82,294.95 = 17,424.41 : x
  2. Step 2: Convert to fraction form
    54,861.41/82,294.95 = 17,424.41/x
  3. Step 3: Cross multiply
    54,861.41x = 82,294.95 × 17,424.41
  4. Step 4: Simplify right side
    54,861.41x = 1,433,940,538.25
  5. Step 5: Solve for x
    x = 1,433,940,538.25/54,861.41
  6. Step 6: Final answer
    x = 26,137.51

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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.