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Finding the Fourth Proportional to 11,893.56, 17,919.47 and 10,768.56

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Solution

The fourth proportional to 11,893.56, 17,919.47 and 10,768.56 is: 16,224.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,893.56 : 17,919.47 = 10,768.56 : x
  2. Step 2: Convert to fraction form
    11,893.56/17,919.47 = 10,768.56/x
  3. Step 3: Cross multiply
    11,893.56x = 17,919.47 × 10,768.56
  4. Step 4: Simplify right side
    11,893.56x = 192,966,834.02
  5. Step 5: Solve for x
    x = 192,966,834.02/11,893.56
  6. Step 6: Final answer
    x = 16,224.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.