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Finding the Fourth Proportional to 18,571.08, 27,859.05 and 9,806.34

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Solution

The fourth proportional to 18,571.08, 27,859.05 and 9,806.34 is: 14,710.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,571.08 : 27,859.05 = 9,806.34 : x
  2. Step 2: Convert to fraction form
    18,571.08/27,859.05 = 9,806.34/x
  3. Step 3: Cross multiply
    18,571.08x = 27,859.05 × 9,806.34
  4. Step 4: Simplify right side
    18,571.08x = 273,195,316.38
  5. Step 5: Solve for x
    x = 273,195,316.38/18,571.08
  6. Step 6: Final answer
    x = 14,710.79

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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.