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Finding the Fourth Proportional to 6,664.50, 9,994.86 and 2,764.08

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Solution

The fourth proportional to 6,664.50, 9,994.86 and 2,764.08 is: 4,145.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,664.50 : 9,994.86 = 2,764.08 : x
  2. Step 2: Convert to fraction form
    6,664.50/9,994.86 = 2,764.08/x
  3. Step 3: Cross multiply
    6,664.50x = 9,994.86 × 2,764.08
  4. Step 4: Simplify right side
    6,664.50x = 27,626,592.63
  5. Step 5: Solve for x
    x = 27,626,592.63/6,664.50
  6. Step 6: Final answer
    x = 4,145.34

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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.