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Finding the Fourth Proportional to 18,498.52, 27,751.94 and 5,351.92

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Solution

The fourth proportional to 18,498.52, 27,751.94 and 5,351.92 is: 8,029.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,498.52 : 27,751.94 = 5,351.92 : x
  2. Step 2: Convert to fraction form
    18,498.52/27,751.94 = 5,351.92/x
  3. Step 3: Cross multiply
    18,498.52x = 27,751.94 × 5,351.92
  4. Step 4: Simplify right side
    18,498.52x = 148,525,997.21
  5. Step 5: Solve for x
    x = 148,525,997.21/18,498.52
  6. Step 6: Final answer
    x = 8,029.07

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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.