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Finding the Fourth Proportional to 11,808.75, 17,713.13 and 4,883.43

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Solution

The fourth proportional to 11,808.75, 17,713.13 and 4,883.43 is: 7,325.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,808.75 : 17,713.13 = 4,883.43 : x
  2. Step 2: Convert to fraction form
    11,808.75/17,713.13 = 4,883.43/x
  3. Step 3: Cross multiply
    11,808.75x = 17,713.13 × 4,883.43
  4. Step 4: Simplify right side
    11,808.75x = 86,500,806.02
  5. Step 5: Solve for x
    x = 86,500,806.02/11,808.75
  6. Step 6: Final answer
    x = 7,325.15

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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.