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Finding the Fourth Proportional to 5,789.82, 8,682.80 and 1,893.32

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Solution

The fourth proportional to 5,789.82, 8,682.80 and 1,893.32 is: 2,839.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,789.82 : 8,682.80 = 1,893.32 : x
  2. Step 2: Convert to fraction form
    5,789.82/8,682.80 = 1,893.32/x
  3. Step 3: Cross multiply
    5,789.82x = 8,682.80 × 1,893.32
  4. Step 4: Simplify right side
    5,789.82x = 16,439,318.90
  5. Step 5: Solve for x
    x = 16,439,318.90/5,789.82
  6. Step 6: Final answer
    x = 2,839.35

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1.5x scale

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.