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Finding the Fourth Proportional to 63,306.25, 87,370.89 and 36,449.89

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Solution

The fourth proportional to 63,306.25, 87,370.89 and 36,449.89 is: 50,305.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,306.25 : 87,370.89 = 36,449.89 : x
  2. Step 2: Convert to fraction form
    63,306.25/87,370.89 = 36,449.89/x
  3. Step 3: Cross multiply
    63,306.25x = 87,370.89 × 36,449.89
  4. Step 4: Simplify right side
    63,306.25x = 3,184,659,329.70
  5. Step 5: Solve for x
    x = 3,184,659,329.70/63,306.25
  6. Step 6: Final answer
    x = 50,305.61

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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.