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Finding the Fourth Proportional to 2,329.82, 3,495.16 and 769.93

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Solution

The fourth proportional to 2,329.82, 3,495.16 and 769.93 is: 1,155.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,329.82 : 3,495.16 = 769.93 : x
  2. Step 2: Convert to fraction form
    2,329.82/3,495.16 = 769.93/x
  3. Step 3: Cross multiply
    2,329.82x = 3,495.16 × 769.93
  4. Step 4: Simplify right side
    2,329.82x = 2,691,028.54
  5. Step 5: Solve for x
    x = 2,691,028.54/2,329.82
  6. Step 6: Final answer
    x = 1,155.04

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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.