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Finding the Fourth Proportional to 11,052.88, 16,579.32 and 3,259.87

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Solution

The fourth proportional to 11,052.88, 16,579.32 and 3,259.87 is: 4,889.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,052.88 : 16,579.32 = 3,259.87 : x
  2. Step 2: Convert to fraction form
    11,052.88/16,579.32 = 3,259.87/x
  3. Step 3: Cross multiply
    11,052.88x = 16,579.32 × 3,259.87
  4. Step 4: Simplify right side
    11,052.88x = 54,046,427.89
  5. Step 5: Solve for x
    x = 54,046,427.89/11,052.88
  6. Step 6: Final answer
    x = 4,889.81

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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.