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Finding the Fourth Proportional to 18,632.01, 27,942.09 and 6,149.70

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Solution

The fourth proportional to 18,632.01, 27,942.09 and 6,149.70 is: 9,222.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,632.01 : 27,942.09 = 6,149.70 : x
  2. Step 2: Convert to fraction form
    18,632.01/27,942.09 = 6,149.70/x
  3. Step 3: Cross multiply
    18,632.01x = 27,942.09 × 6,149.70
  4. Step 4: Simplify right side
    18,632.01x = 171,835,552.59
  5. Step 5: Solve for x
    x = 171,835,552.59/18,632.01
  6. Step 6: Final answer
    x = 9,222.60

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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.