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Finding the Fourth Proportional to 8,597.21, 12,893.72 and 3,596.88

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Solution

The fourth proportional to 8,597.21, 12,893.72 and 3,596.88 is: 5,394.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,597.21 : 12,893.72 = 3,596.88 : x
  2. Step 2: Convert to fraction form
    8,597.21/12,893.72 = 3,596.88/x
  3. Step 3: Cross multiply
    8,597.21x = 12,893.72 × 3,596.88
  4. Step 4: Simplify right side
    8,597.21x = 46,377,163.59
  5. Step 5: Solve for x
    x = 46,377,163.59/8,597.21
  6. Step 6: Final answer
    x = 5,394.44

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Double scale
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Similar ratio
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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.