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Finding the Fourth Proportional to 25,796.45, 35,584.02 and 16,221.18

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Solution

The fourth proportional to 25,796.45, 35,584.02 and 16,221.18 is: 22,375.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,796.45 : 35,584.02 = 16,221.18 : x
  2. Step 2: Convert to fraction form
    25,796.45/35,584.02 = 16,221.18/x
  3. Step 3: Cross multiply
    25,796.45x = 35,584.02 × 16,221.18
  4. Step 4: Simplify right side
    25,796.45x = 577,214,787.33
  5. Step 5: Solve for x
    x = 577,214,787.33/25,796.45
  6. Step 6: Final answer
    x = 22,375.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.