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Finding the Fourth Proportional to 17,199, 25,800.80 and 6,808.32

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Solution

The fourth proportional to 17,199, 25,800.80 and 6,808.32 is: 10,213.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,199 : 25,800.80 = 6,808.32 : x
  2. Step 2: Convert to fraction form
    17,199/25,800.80 = 6,808.32/x
  3. Step 3: Cross multiply
    17,199x = 25,800.80 × 6,808.32
  4. Step 4: Simplify right side
    17,199x = 175,660,102.66
  5. Step 5: Solve for x
    x = 175,660,102.66/17,199
  6. Step 6: Final answer
    x = 10,213.39

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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.