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Finding the Fourth Proportional to 45,873.97, 68,713.75 and 34,657.09

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Solution

The fourth proportional to 45,873.97, 68,713.75 and 34,657.09 is: 51,912.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,873.97 : 68,713.75 = 34,657.09 : x
  2. Step 2: Convert to fraction form
    45,873.97/68,713.75 = 34,657.09/x
  3. Step 3: Cross multiply
    45,873.97x = 68,713.75 × 34,657.09
  4. Step 4: Simplify right side
    45,873.97x = 2,381,418,617.99
  5. Step 5: Solve for x
    x = 2,381,418,617.99/45,873.97
  6. Step 6: Final answer
    x = 51,912.20

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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.