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Finding the Fourth Proportional to 11,808.75, 17,716.01 and 3,600.75

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Solution

The fourth proportional to 11,808.75, 17,716.01 and 3,600.75 is: 5,402.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,808.75 : 17,716.01 = 3,600.75 : x
  2. Step 2: Convert to fraction form
    11,808.75/17,716.01 = 3,600.75/x
  3. Step 3: Cross multiply
    11,808.75x = 17,716.01 × 3,600.75
  4. Step 4: Simplify right side
    11,808.75x = 63,790,905.00
  5. Step 5: Solve for x
    x = 63,790,905.00/11,808.75
  6. Step 6: Final answer
    x = 5,402.00

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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.