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Finding the Fourth Proportional to 3,110.52, 4,665.72 and 801.96

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Solution

The fourth proportional to 3,110.52, 4,665.72 and 801.96 is: 1,202.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.52 : 4,665.72 = 801.96 : x
  2. Step 2: Convert to fraction form
    3,110.52/4,665.72 = 801.96/x
  3. Step 3: Cross multiply
    3,110.52x = 4,665.72 × 801.96
  4. Step 4: Simplify right side
    3,110.52x = 3,741,720.81
  5. Step 5: Solve for x
    x = 3,741,720.81/3,110.52
  6. Step 6: Final answer
    x = 1,202.92

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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.