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Finding the Fourth Proportional to 67,591.30, 101,357.79 and 27,583.78

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Solution

The fourth proportional to 67,591.30, 101,357.79 and 27,583.78 is: 41,363.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,591.30 : 101,357.79 = 27,583.78 : x
  2. Step 2: Convert to fraction form
    67,591.30/101,357.79 = 27,583.78/x
  3. Step 3: Cross multiply
    67,591.30x = 101,357.79 × 27,583.78
  4. Step 4: Simplify right side
    67,591.30x = 2,795,830,980.65
  5. Step 5: Solve for x
    x = 2,795,830,980.65/67,591.30
  6. Step 6: Final answer
    x = 41,363.77

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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.