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Finding the Fourth Proportional to 27,251.98, 40,893.66 and 11,455.66

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Solution

The fourth proportional to 27,251.98, 40,893.66 and 11,455.66 is: 17,190.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,251.98 : 40,893.66 = 11,455.66 : x
  2. Step 2: Convert to fraction form
    27,251.98/40,893.66 = 11,455.66/x
  3. Step 3: Cross multiply
    27,251.98x = 40,893.66 × 11,455.66
  4. Step 4: Simplify right side
    27,251.98x = 468,463,865.12
  5. Step 5: Solve for x
    x = 468,463,865.12/27,251.98
  6. Step 6: Final answer
    x = 17,190.09

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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.