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Finding the Fourth Proportional to 3,996.45, 5,994.66 and 3,073.65

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Solution

The fourth proportional to 3,996.45, 5,994.66 and 3,073.65 is: 4,610.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,996.45 : 5,994.66 = 3,073.65 : x
  2. Step 2: Convert to fraction form
    3,996.45/5,994.66 = 3,073.65/x
  3. Step 3: Cross multiply
    3,996.45x = 5,994.66 × 3,073.65
  4. Step 4: Simplify right side
    3,996.45x = 18,425,486.71
  5. Step 5: Solve for x
    x = 18,425,486.71/3,996.45
  6. Step 6: Final answer
    x = 4,610.46

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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.