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Finding the Fourth Proportional to 2,329.87, 3,494.93 and 943.17

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Solution

The fourth proportional to 2,329.87, 3,494.93 and 943.17 is: 1,414.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,329.87 : 3,494.93 = 943.17 : x
  2. Step 2: Convert to fraction form
    2,329.87/3,494.93 = 943.17/x
  3. Step 3: Cross multiply
    2,329.87x = 3,494.93 × 943.17
  4. Step 4: Simplify right side
    2,329.87x = 3,296,315.49
  5. Step 5: Solve for x
    x = 3,296,315.49/2,329.87
  6. Step 6: Final answer
    x = 1,414.81

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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.