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Finding the Fourth Proportional to 48,713.67, 73,015.09 and 20,616.19

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Solution

The fourth proportional to 48,713.67, 73,015.09 and 20,616.19 is: 30,900.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,713.67 : 73,015.09 = 20,616.19 : x
  2. Step 2: Convert to fraction form
    48,713.67/73,015.09 = 20,616.19/x
  3. Step 3: Cross multiply
    48,713.67x = 73,015.09 × 20,616.19
  4. Step 4: Simplify right side
    48,713.67x = 1,505,292,734.23
  5. Step 5: Solve for x
    x = 1,505,292,734.23/48,713.67
  6. Step 6: Final answer
    x = 30,900.83

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1.5x scale

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.