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Finding the Fourth Proportional to 69,489.48, 104,232.78 and 16,899.24

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Solution

The fourth proportional to 69,489.48, 104,232.78 and 16,899.24 is: 25,348.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,489.48 : 104,232.78 = 16,899.24 : x
  2. Step 2: Convert to fraction form
    69,489.48/104,232.78 = 16,899.24/x
  3. Step 3: Cross multiply
    69,489.48x = 104,232.78 × 16,899.24
  4. Step 4: Simplify right side
    69,489.48x = 1,761,454,765.09
  5. Step 5: Solve for x
    x = 1,761,454,765.09/69,489.48
  6. Step 6: Final answer
    x = 25,348.51

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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.