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Finding the Fourth Proportional to 48,004.87, 72,069.68 and 36,919.42

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Solution

The fourth proportional to 48,004.87, 72,069.68 and 36,919.42 is: 55,427.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,004.87 : 72,069.68 = 36,919.42 : x
  2. Step 2: Convert to fraction form
    48,004.87/72,069.68 = 36,919.42/x
  3. Step 3: Cross multiply
    48,004.87x = 72,069.68 × 36,919.42
  4. Step 4: Simplify right side
    48,004.87x = 2,660,770,240.24
  5. Step 5: Solve for x
    x = 2,660,770,240.24/48,004.87
  6. Step 6: Final answer
    x = 55,427.09

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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.