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Finding the Fourth Proportional to 48,786.87, 67,301.76 and 33,694.95

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Solution

The fourth proportional to 48,786.87, 67,301.76 and 33,694.95 is: 46,482.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,786.87 : 67,301.76 = 33,694.95 : x
  2. Step 2: Convert to fraction form
    48,786.87/67,301.76 = 33,694.95/x
  3. Step 3: Cross multiply
    48,786.87x = 67,301.76 × 33,694.95
  4. Step 4: Simplify right side
    48,786.87x = 2,267,729,438.11
  5. Step 5: Solve for x
    x = 2,267,729,438.11/48,786.87
  6. Step 6: Final answer
    x = 46,482.37

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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.