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Finding the Fourth Proportional to 11,994.47, 17,991.70 and 3,230.27

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Solution

The fourth proportional to 11,994.47, 17,991.70 and 3,230.27 is: 4,845.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,994.47 : 17,991.70 = 3,230.27 : x
  2. Step 2: Convert to fraction form
    11,994.47/17,991.70 = 3,230.27/x
  3. Step 3: Cross multiply
    11,994.47x = 17,991.70 × 3,230.27
  4. Step 4: Simplify right side
    11,994.47x = 58,118,048.76
  5. Step 5: Solve for x
    x = 58,118,048.76/11,994.47
  6. Step 6: Final answer
    x = 4,845.40

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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.