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Finding the Fourth Proportional to 3,957.36, 5,932.52 and 1,876.07

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Solution

The fourth proportional to 3,957.36, 5,932.52 and 1,876.07 is: 2,812.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,957.36 : 5,932.52 = 1,876.07 : x
  2. Step 2: Convert to fraction form
    3,957.36/5,932.52 = 1,876.07/x
  3. Step 3: Cross multiply
    3,957.36x = 5,932.52 × 1,876.07
  4. Step 4: Simplify right side
    3,957.36x = 11,129,783.75
  5. Step 5: Solve for x
    x = 11,129,783.75/3,957.36
  6. Step 6: Final answer
    x = 2,812.43

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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.