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Finding the Fourth Proportional to 73,309.47, 109,977.93 and 33,331.38

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Solution

The fourth proportional to 73,309.47, 109,977.93 and 33,331.38 is: 50,003.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,309.47 : 109,977.93 = 33,331.38 : x
  2. Step 2: Convert to fraction form
    73,309.47/109,977.93 = 33,331.38/x
  3. Step 3: Cross multiply
    73,309.47x = 109,977.93 × 33,331.38
  4. Step 4: Simplify right side
    73,309.47x = 3,665,716,176.44
  5. Step 5: Solve for x
    x = 3,665,716,176.44/73,309.47
  6. Step 6: Final answer
    x = 50,003.31

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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.