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Finding the Fourth Proportional to 3,799.98, 5,236.11 and 3,551.58

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Solution

The fourth proportional to 3,799.98, 5,236.11 and 3,551.58 is: 4,893.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,799.98 : 5,236.11 = 3,551.58 : x
  2. Step 2: Convert to fraction form
    3,799.98/5,236.11 = 3,551.58/x
  3. Step 3: Cross multiply
    3,799.98x = 5,236.11 × 3,551.58
  4. Step 4: Simplify right side
    3,799.98x = 18,596,463.55
  5. Step 5: Solve for x
    x = 18,596,463.55/3,799.98
  6. Step 6: Final answer
    x = 4,893.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.