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Finding the Fourth Proportional to 18,016.24, 26,975.76 and 11,760.76

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Solution

The fourth proportional to 18,016.24, 26,975.76 and 11,760.76 is: 17,609.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,016.24 : 26,975.76 = 11,760.76 : x
  2. Step 2: Convert to fraction form
    18,016.24/26,975.76 = 11,760.76/x
  3. Step 3: Cross multiply
    18,016.24x = 26,975.76 × 11,760.76
  4. Step 4: Simplify right side
    18,016.24x = 317,255,439.18
  5. Step 5: Solve for x
    x = 317,255,439.18/18,016.24
  6. Step 6: Final answer
    x = 17,609.41

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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.