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Finding the Fourth Proportional to 3,803.59, 5,705.92 and 1,171.31

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Solution

The fourth proportional to 3,803.59, 5,705.92 and 1,171.31 is: 1,757.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,803.59 : 5,705.92 = 1,171.31 : x
  2. Step 2: Convert to fraction form
    3,803.59/5,705.92 = 1,171.31/x
  3. Step 3: Cross multiply
    3,803.59x = 5,705.92 × 1,171.31
  4. Step 4: Simplify right side
    3,803.59x = 6,683,401.16
  5. Step 5: Solve for x
    x = 6,683,401.16/3,803.59
  6. Step 6: Final answer
    x = 1,757.13

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.