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Finding the Fourth Proportional to 66,958.72, 100,470.72 and 27,527.68

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Solution

The fourth proportional to 66,958.72, 100,470.72 and 27,527.68 is: 41,304.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,958.72 : 100,470.72 = 27,527.68 : x
  2. Step 2: Convert to fraction form
    66,958.72/100,470.72 = 27,527.68/x
  3. Step 3: Cross multiply
    66,958.72x = 100,470.72 × 27,527.68
  4. Step 4: Simplify right side
    66,958.72x = 2,765,725,829.53
  5. Step 5: Solve for x
    x = 2,765,725,829.53/66,958.72
  6. Step 6: Final answer
    x = 41,304.94

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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.