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Finding the Fourth Proportional to 54,106.92, 81,189.45 and 26,404.92

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Solution

The fourth proportional to 54,106.92, 81,189.45 and 26,404.92 is: 39,621.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,106.92 : 81,189.45 = 26,404.92 : x
  2. Step 2: Convert to fraction form
    54,106.92/81,189.45 = 26,404.92/x
  3. Step 3: Cross multiply
    54,106.92x = 81,189.45 × 26,404.92
  4. Step 4: Simplify right side
    54,106.92x = 2,143,800,932.09
  5. Step 5: Solve for x
    x = 2,143,800,932.09/54,106.92
  6. Step 6: Final answer
    x = 39,621.57

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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.