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Finding the Fourth Proportional to 11,585.56, 17,379.56 and 3,794.98

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Solution

The fourth proportional to 11,585.56, 17,379.56 and 3,794.98 is: 5,692.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,585.56 : 17,379.56 = 3,794.98 : x
  2. Step 2: Convert to fraction form
    11,585.56/17,379.56 = 3,794.98/x
  3. Step 3: Cross multiply
    11,585.56x = 17,379.56 × 3,794.98
  4. Step 4: Simplify right side
    11,585.56x = 65,955,063.63
  5. Step 5: Solve for x
    x = 65,955,063.63/11,585.56
  6. Step 6: Final answer
    x = 5,692.87

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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.