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Finding the Fourth Proportional to 4,472.63, 6,709.79 and 2,007.39

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Solution

The fourth proportional to 4,472.63, 6,709.79 and 2,007.39 is: 3,011.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,472.63 : 6,709.79 = 2,007.39 : x
  2. Step 2: Convert to fraction form
    4,472.63/6,709.79 = 2,007.39/x
  3. Step 3: Cross multiply
    4,472.63x = 6,709.79 × 2,007.39
  4. Step 4: Simplify right side
    4,472.63x = 13,469,165.35
  5. Step 5: Solve for x
    x = 13,469,165.35/4,472.63
  6. Step 6: Final answer
    x = 3,011.46

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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.