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Finding the Fourth Proportional to 3,994.73, 5,988.04 and 1,911.68

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Solution

The fourth proportional to 3,994.73, 5,988.04 and 1,911.68 is: 2,865.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,994.73 : 5,988.04 = 1,911.68 : x
  2. Step 2: Convert to fraction form
    3,994.73/5,988.04 = 1,911.68/x
  3. Step 3: Cross multiply
    3,994.73x = 5,988.04 × 1,911.68
  4. Step 4: Simplify right side
    3,994.73x = 11,447,204.04
  5. Step 5: Solve for x
    x = 11,447,204.04/3,994.73
  6. Step 6: Final answer
    x = 2,865.58

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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.