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Finding the Fourth Proportional to 11,757.35, 17,700.20 and 10,724.00

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Solution

The fourth proportional to 11,757.35, 17,700.20 and 10,724.00 is: 16,144.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,757.35 : 17,700.20 = 10,724.00 : x
  2. Step 2: Convert to fraction form
    11,757.35/17,700.20 = 10,724.00/x
  3. Step 3: Cross multiply
    11,757.35x = 17,700.20 × 10,724.00
  4. Step 4: Simplify right side
    11,757.35x = 189,816,842.89
  5. Step 5: Solve for x
    x = 189,816,842.89/11,757.35
  6. Step 6: Final answer
    x = 16,144.52

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.