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Finding the Fourth Proportional to 69,670.44, 104,505.30 and 17,079.75

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Solution

The fourth proportional to 69,670.44, 104,505.30 and 17,079.75 is: 25,619.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,670.44 : 104,505.30 = 17,079.75 : x
  2. Step 2: Convert to fraction form
    69,670.44/104,505.30 = 17,079.75/x
  3. Step 3: Cross multiply
    69,670.44x = 104,505.30 × 17,079.75
  4. Step 4: Simplify right side
    69,670.44x = 1,784,924,397.68
  5. Step 5: Solve for x
    x = 1,784,924,397.68/69,670.44
  6. Step 6: Final answer
    x = 25,619.54

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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.