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Finding the Fourth Proportional to 35,894.91, 49,534.97 and 19,979.02

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Solution

The fourth proportional to 35,894.91, 49,534.97 and 19,979.02 is: 27,571.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,894.91 : 49,534.97 = 19,979.02 : x
  2. Step 2: Convert to fraction form
    35,894.91/49,534.97 = 19,979.02/x
  3. Step 3: Cross multiply
    35,894.91x = 49,534.97 × 19,979.02
  4. Step 4: Simplify right side
    35,894.91x = 989,659,908.65
  5. Step 5: Solve for x
    x = 989,659,908.65/35,894.91
  6. Step 6: Final answer
    x = 27,571.04

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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.