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Finding the Fourth Proportional to 11,754.88, 17,632.36 and 3,963.76

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Solution

The fourth proportional to 11,754.88, 17,632.36 and 3,963.76 is: 5,945.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,754.88 : 17,632.36 = 3,963.76 : x
  2. Step 2: Convert to fraction form
    11,754.88/17,632.36 = 3,963.76/x
  3. Step 3: Cross multiply
    11,754.88x = 17,632.36 × 3,963.76
  4. Step 4: Simplify right side
    11,754.88x = 69,890,443.27
  5. Step 5: Solve for x
    x = 69,890,443.27/11,754.88
  6. Step 6: Final answer
    x = 5,945.65

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1.5x scale

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.