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Finding the Fourth Proportional to 17,960.46, 26,943.95 and 7,424.76

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Solution

The fourth proportional to 17,960.46, 26,943.95 and 7,424.76 is: 11,138.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,960.46 : 26,943.95 = 7,424.76 : x
  2. Step 2: Convert to fraction form
    17,960.46/26,943.95 = 7,424.76/x
  3. Step 3: Cross multiply
    17,960.46x = 26,943.95 × 7,424.76
  4. Step 4: Simplify right side
    17,960.46x = 200,052,227.48
  5. Step 5: Solve for x
    x = 200,052,227.48/17,960.46
  6. Step 6: Final answer
    x = 11,138.48

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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.