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Finding the Fourth Proportional to 11,379.94, 17,069.90 and 3,588.75

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Solution

The fourth proportional to 11,379.94, 17,069.90 and 3,588.75 is: 5,383.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,379.94 : 17,069.90 = 3,588.75 : x
  2. Step 2: Convert to fraction form
    11,379.94/17,069.90 = 3,588.75/x
  3. Step 3: Cross multiply
    11,379.94x = 17,069.90 × 3,588.75
  4. Step 4: Simplify right side
    11,379.94x = 61,259,585.68
  5. Step 5: Solve for x
    x = 61,259,585.68/11,379.94
  6. Step 6: Final answer
    x = 5,383.12

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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.