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Finding the Fourth Proportional to 33,245, 45,877.44 and 18,137.72

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Solution

The fourth proportional to 33,245, 45,877.44 and 18,137.72 is: 25,029.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,245 : 45,877.44 = 18,137.72 : x
  2. Step 2: Convert to fraction form
    33,245/45,877.44 = 18,137.72/x
  3. Step 3: Cross multiply
    33,245x = 45,877.44 × 18,137.72
  4. Step 4: Simplify right side
    33,245x = 832,112,161.04
  5. Step 5: Solve for x
    x = 832,112,161.04/33,245
  6. Step 6: Final answer
    x = 25,029.69

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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.