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Finding the Fourth Proportional to 3,325.25, 4,991.02 and 1,682.98

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Solution

The fourth proportional to 3,325.25, 4,991.02 and 1,682.98 is: 2,526.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,325.25 : 4,991.02 = 1,682.98 : x
  2. Step 2: Convert to fraction form
    3,325.25/4,991.02 = 1,682.98/x
  3. Step 3: Cross multiply
    3,325.25x = 4,991.02 × 1,682.98
  4. Step 4: Simplify right side
    3,325.25x = 8,399,770.15
  5. Step 5: Solve for x
    x = 8,399,770.15/3,325.25
  6. Step 6: Final answer
    x = 2,526.05

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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.