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Finding the Fourth Proportional to 3,373.65, 5,072.49 and 2,943.54

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Solution

The fourth proportional to 3,373.65, 5,072.49 and 2,943.54 is: 4,425.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,373.65 : 5,072.49 = 2,943.54 : x
  2. Step 2: Convert to fraction form
    3,373.65/5,072.49 = 2,943.54/x
  3. Step 3: Cross multiply
    3,373.65x = 5,072.49 × 2,943.54
  4. Step 4: Simplify right side
    3,373.65x = 14,931,077.21
  5. Step 5: Solve for x
    x = 14,931,077.21/3,373.65
  6. Step 6: Final answer
    x = 4,425.79

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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.