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Finding the Fourth Proportional to 3,300.63, 4,953 and 2,993.04

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Solution

The fourth proportional to 3,300.63, 4,953 and 2,993.04 is: 4,491.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,300.63 : 4,953 = 2,993.04 : x
  2. Step 2: Convert to fraction form
    3,300.63/4,953 = 2,993.04/x
  3. Step 3: Cross multiply
    3,300.63x = 4,953 × 2,993.04
  4. Step 4: Simplify right side
    3,300.63x = 14,824,527.12
  5. Step 5: Solve for x
    x = 14,824,527.12/3,300.63
  6. Step 6: Final answer
    x = 4,491.42

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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.