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Finding the Fourth Proportional to 3,073.59, 4,610.41 and 765.09

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Solution

The fourth proportional to 3,073.59, 4,610.41 and 765.09 is: 1,147.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,073.59 : 4,610.41 = 765.09 : x
  2. Step 2: Convert to fraction form
    3,073.59/4,610.41 = 765.09/x
  3. Step 3: Cross multiply
    3,073.59x = 4,610.41 × 765.09
  4. Step 4: Simplify right side
    3,073.59x = 3,527,393.96
  5. Step 5: Solve for x
    x = 3,527,393.96/3,073.59
  6. Step 6: Final answer
    x = 1,147.64

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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.