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Finding the Fourth Proportional to 69,764.28, 104,645.52 and 17,174.22

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Solution

The fourth proportional to 69,764.28, 104,645.52 and 17,174.22 is: 25,761.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,764.28 : 104,645.52 = 17,174.22 : x
  2. Step 2: Convert to fraction form
    69,764.28/104,645.52 = 17,174.22/x
  3. Step 3: Cross multiply
    69,764.28x = 104,645.52 × 17,174.22
  4. Step 4: Simplify right side
    69,764.28x = 1,797,205,182.49
  5. Step 5: Solve for x
    x = 1,797,205,182.49/69,764.28
  6. Step 6: Final answer
    x = 25,761.11

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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.