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Finding the Fourth Proportional to 27,189.92, 37,521.90 and 16,578.92

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Solution

The fourth proportional to 27,189.92, 37,521.90 and 16,578.92 is: 22,878.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,189.92 : 37,521.90 = 16,578.92 : x
  2. Step 2: Convert to fraction form
    27,189.92/37,521.90 = 16,578.92/x
  3. Step 3: Cross multiply
    27,189.92x = 37,521.90 × 16,578.92
  4. Step 4: Simplify right side
    27,189.92x = 622,072,578.35
  5. Step 5: Solve for x
    x = 622,072,578.35/27,189.92
  6. Step 6: Final answer
    x = 22,878.79

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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.