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Finding the Fourth Proportional to 67,983.65, 101,964.93 and 34,728.29

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Solution

The fourth proportional to 67,983.65, 101,964.93 and 34,728.29 is: 52,087.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,983.65 : 101,964.93 = 34,728.29 : x
  2. Step 2: Convert to fraction form
    67,983.65/101,964.93 = 34,728.29/x
  3. Step 3: Cross multiply
    67,983.65x = 101,964.93 × 34,728.29
  4. Step 4: Simplify right side
    67,983.65x = 3,541,067,658.87
  5. Step 5: Solve for x
    x = 3,541,067,658.87/67,983.65
  6. Step 6: Final answer
    x = 52,087.05

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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.