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Finding the Fourth Proportional to 36,470.67, 54,706.01 and 11,512.65

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Solution

The fourth proportional to 36,470.67, 54,706.01 and 11,512.65 is: 17,268.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,470.67 : 54,706.01 = 11,512.65 : x
  2. Step 2: Convert to fraction form
    36,470.67/54,706.01 = 11,512.65/x
  3. Step 3: Cross multiply
    36,470.67x = 54,706.01 × 11,512.65
  4. Step 4: Simplify right side
    36,470.67x = 629,811,293.61
  5. Step 5: Solve for x
    x = 629,811,293.61/36,470.67
  6. Step 6: Final answer
    x = 17,268.98

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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.