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Finding the Fourth Proportional to 26,995.28, 40,493.87 and 7,274.31

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Solution

The fourth proportional to 26,995.28, 40,493.87 and 7,274.31 is: 10,911.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,995.28 : 40,493.87 = 7,274.31 : x
  2. Step 2: Convert to fraction form
    26,995.28/40,493.87 = 7,274.31/x
  3. Step 3: Cross multiply
    26,995.28x = 40,493.87 × 7,274.31
  4. Step 4: Simplify right side
    26,995.28x = 294,564,927.11
  5. Step 5: Solve for x
    x = 294,564,927.11/26,995.28
  6. Step 6: Final answer
    x = 10,911.72

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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.