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Finding the Fourth Proportional to 7,994.13, 11,991.12 and 4,484.13

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Solution

The fourth proportional to 7,994.13, 11,991.12 and 4,484.13 is: 6,726.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,994.13 : 11,991.12 = 4,484.13 : x
  2. Step 2: Convert to fraction form
    7,994.13/11,991.12 = 4,484.13/x
  3. Step 3: Cross multiply
    7,994.13x = 11,991.12 × 4,484.13
  4. Step 4: Simplify right side
    7,994.13x = 53,769,740.93
  5. Step 5: Solve for x
    x = 53,769,740.93/7,994.13
  6. Step 6: Final answer
    x = 6,726.15

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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.