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Finding the Fourth Proportional to 63,144.90, 94,826.70 and 33,620.40

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Solution

The fourth proportional to 63,144.90, 94,826.70 and 33,620.40 is: 50,488.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,144.90 : 94,826.70 = 33,620.40 : x
  2. Step 2: Convert to fraction form
    63,144.90/94,826.70 = 33,620.40/x
  3. Step 3: Cross multiply
    63,144.90x = 94,826.70 × 33,620.40
  4. Step 4: Simplify right side
    63,144.90x = 3,188,111,584.68
  5. Step 5: Solve for x
    x = 3,188,111,584.68/63,144.90
  6. Step 6: Final answer
    x = 50,488.82

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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.