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Finding the Fourth Proportional to 66,958.54, 100,443.71 and 24,839.08

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Solution

The fourth proportional to 66,958.54, 100,443.71 and 24,839.08 is: 37,260.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,958.54 : 100,443.71 = 24,839.08 : x
  2. Step 2: Convert to fraction form
    66,958.54/100,443.71 = 24,839.08/x
  3. Step 3: Cross multiply
    66,958.54x = 100,443.71 × 24,839.08
  4. Step 4: Simplify right side
    66,958.54x = 2,494,929,348.19
  5. Step 5: Solve for x
    x = 2,494,929,348.19/66,958.54
  6. Step 6: Final answer
    x = 37,260.81

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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.