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Finding the Fourth Proportional to 5,731.73, 8,592.09 and 3,645.27

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Solution

The fourth proportional to 5,731.73, 8,592.09 and 3,645.27 is: 5,464.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,731.73 : 8,592.09 = 3,645.27 : x
  2. Step 2: Convert to fraction form
    5,731.73/8,592.09 = 3,645.27/x
  3. Step 3: Cross multiply
    5,731.73x = 8,592.09 × 3,645.27
  4. Step 4: Simplify right side
    5,731.73x = 31,320,487.91
  5. Step 5: Solve for x
    x = 31,320,487.91/5,731.73
  6. Step 6: Final answer
    x = 5,464.40

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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.