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Finding the Fourth Proportional to 3,596.88, 5,395.32 and 999.82

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Solution

The fourth proportional to 3,596.88, 5,395.32 and 999.82 is: 1,499.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,596.88 : 5,395.32 = 999.82 : x
  2. Step 2: Convert to fraction form
    3,596.88/5,395.32 = 999.82/x
  3. Step 3: Cross multiply
    3,596.88x = 5,395.32 × 999.82
  4. Step 4: Simplify right side
    3,596.88x = 5,394,348.84
  5. Step 5: Solve for x
    x = 5,394,348.84/3,596.88
  6. Step 6: Final answer
    x = 1,499.73

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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.