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Finding the Fourth Proportional to 17,161.62, 25,690.59 and 13,273.62

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Solution

The fourth proportional to 17,161.62, 25,690.59 and 13,273.62 is: 19,870.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,161.62 : 25,690.59 = 13,273.62 : x
  2. Step 2: Convert to fraction form
    17,161.62/25,690.59 = 13,273.62/x
  3. Step 3: Cross multiply
    17,161.62x = 25,690.59 × 13,273.62
  4. Step 4: Simplify right side
    17,161.62x = 341,007,129.24
  5. Step 5: Solve for x
    x = 341,007,129.24/17,161.62
  6. Step 6: Final answer
    x = 19,870.33

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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.