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Finding the Fourth Proportional to 67,935.65, 101,810.81 and 25,793.16

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Solution

The fourth proportional to 67,935.65, 101,810.81 and 25,793.16 is: 38,654.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,935.65 : 101,810.81 = 25,793.16 : x
  2. Step 2: Convert to fraction form
    67,935.65/101,810.81 = 25,793.16/x
  3. Step 3: Cross multiply
    67,935.65x = 101,810.81 × 25,793.16
  4. Step 4: Simplify right side
    67,935.65x = 2,626,022,383.09
  5. Step 5: Solve for x
    x = 2,626,022,383.09/67,935.65
  6. Step 6: Final answer
    x = 38,654.56

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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.