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Finding the Fourth Proportional to 3,965.41, 5,947.64 and 1,043.94

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Solution

The fourth proportional to 3,965.41, 5,947.64 and 1,043.94 is: 1,565.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,965.41 : 5,947.64 = 1,043.94 : x
  2. Step 2: Convert to fraction form
    3,965.41/5,947.64 = 1,043.94/x
  3. Step 3: Cross multiply
    3,965.41x = 5,947.64 × 1,043.94
  4. Step 4: Simplify right side
    3,965.41x = 6,208,978.00
  5. Step 5: Solve for x
    x = 6,208,978.00/3,965.41
  6. Step 6: Final answer
    x = 1,565.79

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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.