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Finding the Fourth Proportional to 5,917.88, 8,876.80 and 3,322.64

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Solution

The fourth proportional to 5,917.88, 8,876.80 and 3,322.64 is: 4,983.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,917.88 : 8,876.80 = 3,322.64 : x
  2. Step 2: Convert to fraction form
    5,917.88/8,876.80 = 3,322.64/x
  3. Step 3: Cross multiply
    5,917.88x = 8,876.80 × 3,322.64
  4. Step 4: Simplify right side
    5,917.88x = 29,494,410.75
  5. Step 5: Solve for x
    x = 29,494,410.75/5,917.88
  6. Step 6: Final answer
    x = 4,983.95

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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.