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Finding the Fourth Proportional to 3,996.81, 5,994.42 and 2,351.43

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Solution

The fourth proportional to 3,996.81, 5,994.42 and 2,351.43 is: 3,526.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,996.81 : 5,994.42 = 2,351.43 : x
  2. Step 2: Convert to fraction form
    3,996.81/5,994.42 = 2,351.43/x
  3. Step 3: Cross multiply
    3,996.81x = 5,994.42 × 2,351.43
  4. Step 4: Simplify right side
    3,996.81x = 14,095,459.02
  5. Step 5: Solve for x
    x = 14,095,459.02/3,996.81
  6. Step 6: Final answer
    x = 3,526.68

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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.