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Finding the Fourth Proportional to 7,616.92, 11,429.70 and 3,003.16

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Solution

The fourth proportional to 7,616.92, 11,429.70 and 3,003.16 is: 4,506.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,616.92 : 11,429.70 = 3,003.16 : x
  2. Step 2: Convert to fraction form
    7,616.92/11,429.70 = 3,003.16/x
  3. Step 3: Cross multiply
    7,616.92x = 11,429.70 × 3,003.16
  4. Step 4: Simplify right side
    7,616.92x = 34,325,217.85
  5. Step 5: Solve for x
    x = 34,325,217.85/7,616.92
  6. Step 6: Final answer
    x = 4,506.44

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1.5x scale

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.