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Finding the Fourth Proportional to 58,812, 81,160.67 and 31,954.54

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Solution

The fourth proportional to 58,812, 81,160.67 and 31,954.54 is: 44,097.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,812 : 81,160.67 = 31,954.54 : x
  2. Step 2: Convert to fraction form
    58,812/81,160.67 = 31,954.54/x
  3. Step 3: Cross multiply
    58,812x = 81,160.67 × 31,954.54
  4. Step 4: Simplify right side
    58,812x = 2,593,451,716.17
  5. Step 5: Solve for x
    x = 2,593,451,716.17/58,812
  6. Step 6: Final answer
    x = 44,097.32

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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.