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Finding the Fourth Proportional to 17,199, 25,798.50 and 5,512.55

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Solution

The fourth proportional to 17,199, 25,798.50 and 5,512.55 is: 8,268.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,199 : 25,798.50 = 5,512.55 : x
  2. Step 2: Convert to fraction form
    17,199/25,798.50 = 5,512.55/x
  3. Step 3: Cross multiply
    17,199x = 25,798.50 × 5,512.55
  4. Step 4: Simplify right side
    17,199x = 142,215,392.18
  5. Step 5: Solve for x
    x = 142,215,392.18/17,199
  6. Step 6: Final answer
    x = 8,268.82

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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.