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Finding the Fourth Proportional to 3,996.42, 5,994.81 and 2,895.54

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Solution

The fourth proportional to 3,996.42, 5,994.81 and 2,895.54 is: 4,343.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,996.42 : 5,994.81 = 2,895.54 : x
  2. Step 2: Convert to fraction form
    3,996.42/5,994.81 = 2,895.54/x
  3. Step 3: Cross multiply
    3,996.42x = 5,994.81 × 2,895.54
  4. Step 4: Simplify right side
    3,996.42x = 17,358,212.15
  5. Step 5: Solve for x
    x = 17,358,212.15/3,996.42
  6. Step 6: Final answer
    x = 4,343.44

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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.