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Finding the Fourth Proportional to 13,011.73, 17,956.04 and 7,043.27

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Solution

The fourth proportional to 13,011.73, 17,956.04 and 7,043.27 is: 9,719.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011.73 : 17,956.04 = 7,043.27 : x
  2. Step 2: Convert to fraction form
    13,011.73/17,956.04 = 7,043.27/x
  3. Step 3: Cross multiply
    13,011.73x = 17,956.04 × 7,043.27
  4. Step 4: Simplify right side
    13,011.73x = 126,469,112.85
  5. Step 5: Solve for x
    x = 126,469,112.85/13,011.73
  6. Step 6: Final answer
    x = 9,719.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.