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Finding the Fourth Proportional to 17,093.84, 25,614.84 and 12,690.68

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Solution

The fourth proportional to 17,093.84, 25,614.84 and 12,690.68 is: 19,016.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,093.84 : 25,614.84 = 12,690.68 : x
  2. Step 2: Convert to fraction form
    17,093.84/25,614.84 = 12,690.68/x
  3. Step 3: Cross multiply
    17,093.84x = 25,614.84 × 12,690.68
  4. Step 4: Simplify right side
    17,093.84x = 325,069,737.69
  5. Step 5: Solve for x
    x = 325,069,737.69/17,093.84
  6. Step 6: Final answer
    x = 19,016.78

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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.