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Finding the Fourth Proportional to 18,160.56, 25,065.84 and 11,092.92

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Solution

The fourth proportional to 18,160.56, 25,065.84 and 11,092.92 is: 15,310.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,160.56 : 25,065.84 = 11,092.92 : x
  2. Step 2: Convert to fraction form
    18,160.56/25,065.84 = 11,092.92/x
  3. Step 3: Cross multiply
    18,160.56x = 25,065.84 × 11,092.92
  4. Step 4: Simplify right side
    18,160.56x = 278,053,357.85
  5. Step 5: Solve for x
    x = 278,053,357.85/18,160.56
  6. Step 6: Final answer
    x = 15,310.84

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Double scale
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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.