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Finding the Fourth Proportional to 69,613.78, 104,420.67 and 17,022.64

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Solution

The fourth proportional to 69,613.78, 104,420.67 and 17,022.64 is: 25,533.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,613.78 : 104,420.67 = 17,022.64 : x
  2. Step 2: Convert to fraction form
    69,613.78/104,420.67 = 17,022.64/x
  3. Step 3: Cross multiply
    69,613.78x = 104,420.67 × 17,022.64
  4. Step 4: Simplify right side
    69,613.78x = 1,777,515,473.97
  5. Step 5: Solve for x
    x = 1,777,515,473.97/69,613.78
  6. Step 6: Final answer
    x = 25,533.96

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1.5x scale

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.