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Finding the Fourth Proportional to 23,960.80, 35,947.20 and 9,170.88

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Solution

The fourth proportional to 23,960.80, 35,947.20 and 9,170.88 is: 13,758.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,960.80 : 35,947.20 = 9,170.88 : x
  2. Step 2: Convert to fraction form
    23,960.80/35,947.20 = 9,170.88/x
  3. Step 3: Cross multiply
    23,960.80x = 35,947.20 × 9,170.88
  4. Step 4: Simplify right side
    23,960.80x = 329,667,457.54
  5. Step 5: Solve for x
    x = 329,667,457.54/23,960.80
  6. Step 6: Final answer
    x = 13,758.62

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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.