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Finding the Fourth Proportional to 5,725.89, 8,583.98 and 5,453.73

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Solution

The fourth proportional to 5,725.89, 8,583.98 and 5,453.73 is: 8,175.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,725.89 : 8,583.98 = 5,453.73 : x
  2. Step 2: Convert to fraction form
    5,725.89/8,583.98 = 5,453.73/x
  3. Step 3: Cross multiply
    5,725.89x = 8,583.98 × 5,453.73
  4. Step 4: Simplify right side
    5,725.89x = 46,814,681.98
  5. Step 5: Solve for x
    x = 46,814,681.98/5,725.89
  6. Step 6: Final answer
    x = 8,175.97

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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.