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Finding the Fourth Proportional to 33,093.64, 45,669.21 and 18,189.64

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Solution

The fourth proportional to 33,093.64, 45,669.21 and 18,189.64 is: 25,101.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,093.64 : 45,669.21 = 18,189.64 : x
  2. Step 2: Convert to fraction form
    33,093.64/45,669.21 = 18,189.64/x
  3. Step 3: Cross multiply
    33,093.64x = 45,669.21 × 18,189.64
  4. Step 4: Simplify right side
    33,093.64x = 830,706,488.98
  5. Step 5: Solve for x
    x = 830,706,488.98/33,093.64
  6. Step 6: Final answer
    x = 25,101.70

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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.