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Finding the Fourth Proportional to 18,016.08, 27,035.94 and 8,155.46

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Solution

The fourth proportional to 18,016.08, 27,035.94 and 8,155.46 is: 12,238.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,016.08 : 27,035.94 = 8,155.46 : x
  2. Step 2: Convert to fraction form
    18,016.08/27,035.94 = 8,155.46/x
  3. Step 3: Cross multiply
    18,016.08x = 27,035.94 × 8,155.46
  4. Step 4: Simplify right side
    18,016.08x = 220,490,527.23
  5. Step 5: Solve for x
    x = 220,490,527.23/18,016.08
  6. Step 6: Final answer
    x = 12,238.54

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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.