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Finding the Fourth Proportional to 34,892.88, 48,151.94 and 18,977.33

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Solution

The fourth proportional to 34,892.88, 48,151.94 and 18,977.33 is: 26,188.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,892.88 : 48,151.94 = 18,977.33 : x
  2. Step 2: Convert to fraction form
    34,892.88/48,151.94 = 18,977.33/x
  3. Step 3: Cross multiply
    34,892.88x = 48,151.94 × 18,977.33
  4. Step 4: Simplify right side
    34,892.88x = 913,795,255.52
  5. Step 5: Solve for x
    x = 913,795,255.52/34,892.88
  6. Step 6: Final answer
    x = 26,188.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.