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Finding the Fourth Proportional to 22,507.66, 33,749.97 and 11,983.66

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Solution

The fourth proportional to 22,507.66, 33,749.97 and 11,983.66 is: 17,969.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,507.66 : 33,749.97 = 11,983.66 : x
  2. Step 2: Convert to fraction form
    22,507.66/33,749.97 = 11,983.66/x
  3. Step 3: Cross multiply
    22,507.66x = 33,749.97 × 11,983.66
  4. Step 4: Simplify right side
    22,507.66x = 404,448,165.49
  5. Step 5: Solve for x
    x = 404,448,165.49/22,507.66
  6. Step 6: Final answer
    x = 17,969.36

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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.