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Finding the Fourth Proportional to 3,996.84, 5,995.08 and 1,074.96

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Solution

The fourth proportional to 3,996.84, 5,995.08 and 1,074.96 is: 1,612.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,996.84 : 5,995.08 = 1,074.96 : x
  2. Step 2: Convert to fraction form
    3,996.84/5,995.08 = 1,074.96/x
  3. Step 3: Cross multiply
    3,996.84x = 5,995.08 × 1,074.96
  4. Step 4: Simplify right side
    3,996.84x = 6,444,471.20
  5. Step 5: Solve for x
    x = 6,444,471.20/3,996.84
  6. Step 6: Final answer
    x = 1,612.39

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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.