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Finding the Fourth Proportional to 33,755.40, 50,633.10 and 31,451.40

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Solution

The fourth proportional to 33,755.40, 50,633.10 and 31,451.40 is: 47,177.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,755.40 : 50,633.10 = 31,451.40 : x
  2. Step 2: Convert to fraction form
    33,755.40/50,633.10 = 31,451.40/x
  3. Step 3: Cross multiply
    33,755.40x = 50,633.10 × 31,451.40
  4. Step 4: Simplify right side
    33,755.40x = 1,592,481,881.34
  5. Step 5: Solve for x
    x = 1,592,481,881.34/33,755.40
  6. Step 6: Final answer
    x = 47,177.10

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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.