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Finding the Fourth Proportional to 17,199, 25,799.72 and 6,810.75

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Solution

The fourth proportional to 17,199, 25,799.72 and 6,810.75 is: 10,216.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,199 : 25,799.72 = 6,810.75 : x
  2. Step 2: Convert to fraction form
    17,199/25,799.72 = 6,810.75/x
  3. Step 3: Cross multiply
    17,199x = 25,799.72 × 6,810.75
  4. Step 4: Simplify right side
    17,199x = 175,715,408.94
  5. Step 5: Solve for x
    x = 175,715,408.94/17,199
  6. Step 6: Final answer
    x = 10,216.61

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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.