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Finding the Fourth Proportional to 3,957.72, 5,932.53 and 2,008.86

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Solution

The fourth proportional to 3,957.72, 5,932.53 and 2,008.86 is: 3,011.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,957.72 : 5,932.53 = 2,008.86 : x
  2. Step 2: Convert to fraction form
    3,957.72/5,932.53 = 2,008.86/x
  3. Step 3: Cross multiply
    3,957.72x = 5,932.53 × 2,008.86
  4. Step 4: Simplify right side
    3,957.72x = 11,917,622.22
  5. Step 5: Solve for x
    x = 11,917,622.22/3,957.72
  6. Step 6: Final answer
    x = 3,011.23

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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.