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Finding the Fourth Proportional to 33,189.51, 45,797.49 and 18,844.11

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Solution

The fourth proportional to 33,189.51, 45,797.49 and 18,844.11 is: 26,002.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,189.51 : 45,797.49 = 18,844.11 : x
  2. Step 2: Convert to fraction form
    33,189.51/45,797.49 = 18,844.11/x
  3. Step 3: Cross multiply
    33,189.51x = 45,797.49 × 18,844.11
  4. Step 4: Simplify right side
    33,189.51x = 863,012,939.28
  5. Step 5: Solve for x
    x = 863,012,939.28/33,189.51
  6. Step 6: Final answer
    x = 26,002.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.