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Finding the Fourth Proportional to 2,391.93, 3,299.93 and 1,763.94

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Solution

The fourth proportional to 2,391.93, 3,299.93 and 1,763.94 is: 2,433.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,391.93 : 3,299.93 = 1,763.94 : x
  2. Step 2: Convert to fraction form
    2,391.93/3,299.93 = 1,763.94/x
  3. Step 3: Cross multiply
    2,391.93x = 3,299.93 × 1,763.94
  4. Step 4: Simplify right side
    2,391.93x = 5,820,878.52
  5. Step 5: Solve for x
    x = 5,820,878.52/2,391.93
  6. Step 6: Final answer
    x = 2,433.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.