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Finding the Fourth Proportional to 3,368.65, 5,073.24 and 2,983.49

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Solution

The fourth proportional to 3,368.65, 5,073.24 and 2,983.49 is: 4,493.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,368.65 : 5,073.24 = 2,983.49 : x
  2. Step 2: Convert to fraction form
    3,368.65/5,073.24 = 2,983.49/x
  3. Step 3: Cross multiply
    3,368.65x = 5,073.24 × 2,983.49
  4. Step 4: Simplify right side
    3,368.65x = 15,135,960.81
  5. Step 5: Solve for x
    x = 15,135,960.81/3,368.65
  6. Step 6: Final answer
    x = 4,493.18

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.