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Finding the Fourth Proportional to 4,472.82, 6,711.03 and 2,005.92

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Solution

The fourth proportional to 4,472.82, 6,711.03 and 2,005.92 is: 3,009.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,472.82 : 6,711.03 = 2,005.92 : x
  2. Step 2: Convert to fraction form
    4,472.82/6,711.03 = 2,005.92/x
  3. Step 3: Cross multiply
    4,472.82x = 6,711.03 × 2,005.92
  4. Step 4: Simplify right side
    4,472.82x = 13,461,789.30
  5. Step 5: Solve for x
    x = 13,461,789.30/4,472.82
  6. Step 6: Final answer
    x = 3,009.69

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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.