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Finding the Fourth Proportional to 9,811.43, 14,713.04 and 3,963.94

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Solution

The fourth proportional to 9,811.43, 14,713.04 and 3,963.94 is: 5,944.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,811.43 : 14,713.04 = 3,963.94 : x
  2. Step 2: Convert to fraction form
    9,811.43/14,713.04 = 3,963.94/x
  3. Step 3: Cross multiply
    9,811.43x = 14,713.04 × 3,963.94
  4. Step 4: Simplify right side
    9,811.43x = 58,321,580.90
  5. Step 5: Solve for x
    x = 58,321,580.90/9,811.43
  6. Step 6: Final answer
    x = 5,944.25

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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.