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Finding the Fourth Proportional to 6,664.66, 9,991.84 and 2,504.58

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Solution

The fourth proportional to 6,664.66, 9,991.84 and 2,504.58 is: 3,754.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,664.66 : 9,991.84 = 2,504.58 : x
  2. Step 2: Convert to fraction form
    6,664.66/9,991.84 = 2,504.58/x
  3. Step 3: Cross multiply
    6,664.66x = 9,991.84 × 2,504.58
  4. Step 4: Simplify right side
    6,664.66x = 25,025,362.63
  5. Step 5: Solve for x
    x = 25,025,362.63/6,664.66
  6. Step 6: Final answer
    x = 3,754.93

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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.