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Finding the Fourth Proportional to 3,195, 4,792.14 and 1,003.32

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Solution

The fourth proportional to 3,195, 4,792.14 and 1,003.32 is: 1,504.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195 : 4,792.14 = 1,003.32 : x
  2. Step 2: Convert to fraction form
    3,195/4,792.14 = 1,003.32/x
  3. Step 3: Cross multiply
    3,195x = 4,792.14 × 1,003.32
  4. Step 4: Simplify right side
    3,195x = 4,808,049.90
  5. Step 5: Solve for x
    x = 4,808,049.90/3,195
  6. Step 6: Final answer
    x = 1,504.87

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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.