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Finding the Fourth Proportional to 34,496.88, 51,757.80 and 16,979.01

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Solution

The fourth proportional to 34,496.88, 51,757.80 and 16,979.01 is: 25,474.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,496.88 : 51,757.80 = 16,979.01 : x
  2. Step 2: Convert to fraction form
    34,496.88/51,757.80 = 16,979.01/x
  3. Step 3: Cross multiply
    34,496.88x = 51,757.80 × 16,979.01
  4. Step 4: Simplify right side
    34,496.88x = 878,796,203.78
  5. Step 5: Solve for x
    x = 878,796,203.78/34,496.88
  6. Step 6: Final answer
    x = 25,474.66

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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.