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Finding the Fourth Proportional to 3,299.92, 4,935.16 and 2,993.68

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Solution

The fourth proportional to 3,299.92, 4,935.16 and 2,993.68 is: 4,477.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,299.92 : 4,935.16 = 2,993.68 : x
  2. Step 2: Convert to fraction form
    3,299.92/4,935.16 = 2,993.68/x
  3. Step 3: Cross multiply
    3,299.92x = 4,935.16 × 2,993.68
  4. Step 4: Simplify right side
    3,299.92x = 14,774,289.79
  5. Step 5: Solve for x
    x = 14,774,289.79/3,299.92
  6. Step 6: Final answer
    x = 4,477.17

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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.