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Finding the Fourth Proportional to 7,994.06, 11,964.89 and 5,885.06

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Solution

The fourth proportional to 7,994.06, 11,964.89 and 5,885.06 is: 8,808.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,994.06 : 11,964.89 = 5,885.06 : x
  2. Step 2: Convert to fraction form
    7,994.06/11,964.89 = 5,885.06/x
  3. Step 3: Cross multiply
    7,994.06x = 11,964.89 × 5,885.06
  4. Step 4: Simplify right side
    7,994.06x = 70,414,140.17
  5. Step 5: Solve for x
    x = 70,414,140.17/7,994.06
  6. Step 6: Final answer
    x = 8,808.31

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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.