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Finding the Fourth Proportional to 48,884.25, 73,260.06 and 20,769.06

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Solution

The fourth proportional to 48,884.25, 73,260.06 and 20,769.06 is: 31,125.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,884.25 : 73,260.06 = 20,769.06 : x
  2. Step 2: Convert to fraction form
    48,884.25/73,260.06 = 20,769.06/x
  3. Step 3: Cross multiply
    48,884.25x = 73,260.06 × 20,769.06
  4. Step 4: Simplify right side
    48,884.25x = 1,521,542,581.74
  5. Step 5: Solve for x
    x = 1,521,542,581.74/48,884.25
  6. Step 6: Final answer
    x = 31,125.42

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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.