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Finding the Fourth Proportional to 27,520.97, 37,961.80 and 22,909.97

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Solution

The fourth proportional to 27,520.97, 37,961.80 and 22,909.97 is: 31,601.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,520.97 : 37,961.80 = 22,909.97 : x
  2. Step 2: Convert to fraction form
    27,520.97/37,961.80 = 22,909.97/x
  3. Step 3: Cross multiply
    27,520.97x = 37,961.80 × 22,909.97
  4. Step 4: Simplify right side
    27,520.97x = 869,703,736.78
  5. Step 5: Solve for x
    x = 869,703,736.78/27,520.97
  6. Step 6: Final answer
    x = 31,601.50

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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.