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Finding the Fourth Proportional to 11,805.87, 17,733.41 and 9,960.59

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Solution

The fourth proportional to 11,805.87, 17,733.41 and 9,960.59 is: 14,961.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,805.87 : 17,733.41 = 9,960.59 : x
  2. Step 2: Convert to fraction form
    11,805.87/17,733.41 = 9,960.59/x
  3. Step 3: Cross multiply
    11,805.87x = 17,733.41 × 9,960.59
  4. Step 4: Simplify right side
    11,805.87x = 176,635,226.31
  5. Step 5: Solve for x
    x = 176,635,226.31/11,805.87
  6. Step 6: Final answer
    x = 14,961.64

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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.