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Finding the Fourth Proportional to 18,177.92, 25,086.08 and 11,806.08

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Solution

The fourth proportional to 18,177.92, 25,086.08 and 11,806.08 is: 16,292.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,177.92 : 25,086.08 = 11,806.08 : x
  2. Step 2: Convert to fraction form
    18,177.92/25,086.08 = 11,806.08/x
  3. Step 3: Cross multiply
    18,177.92x = 25,086.08 × 11,806.08
  4. Step 4: Simplify right side
    18,177.92x = 296,168,267.37
  5. Step 5: Solve for x
    x = 296,168,267.37/18,177.92
  6. Step 6: Final answer
    x = 16,292.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.