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Finding the Fourth Proportional to 29,979.52, 41,371.49 and 16,550.49

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Solution

The fourth proportional to 29,979.52, 41,371.49 and 16,550.49 is: 22,839.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,979.52 : 41,371.49 = 16,550.49 : x
  2. Step 2: Convert to fraction form
    29,979.52/41,371.49 = 16,550.49/x
  3. Step 3: Cross multiply
    29,979.52x = 41,371.49 × 16,550.49
  4. Step 4: Simplify right side
    29,979.52x = 684,718,141.92
  5. Step 5: Solve for x
    x = 684,718,141.92/29,979.52
  6. Step 6: Final answer
    x = 22,839.53

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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.