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Finding the Fourth Proportional to 5,259.33, 7,893.86 and 2,664.09

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Solution

The fourth proportional to 5,259.33, 7,893.86 and 2,664.09 is: 3,998.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,259.33 : 7,893.86 = 2,664.09 : x
  2. Step 2: Convert to fraction form
    5,259.33/7,893.86 = 2,664.09/x
  3. Step 3: Cross multiply
    5,259.33x = 7,893.86 × 2,664.09
  4. Step 4: Simplify right side
    5,259.33x = 21,029,940.17
  5. Step 5: Solve for x
    x = 21,029,940.17/5,259.33
  6. Step 6: Final answer
    x = 3,998.60

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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.