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Finding the Fourth Proportional to 26,892.54, 40,338.81 and 7,171.17

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Solution

The fourth proportional to 26,892.54, 40,338.81 and 7,171.17 is: 10,756.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,892.54 : 40,338.81 = 7,171.17 : x
  2. Step 2: Convert to fraction form
    26,892.54/40,338.81 = 7,171.17/x
  3. Step 3: Cross multiply
    26,892.54x = 40,338.81 × 7,171.17
  4. Step 4: Simplify right side
    26,892.54x = 289,276,312.84
  5. Step 5: Solve for x
    x = 289,276,312.84/26,892.54
  6. Step 6: Final answer
    x = 10,756.75

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