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Finding the Fourth Proportional to 7,105.01, 10,659.05 and 2,722.46

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Solution

The fourth proportional to 7,105.01, 10,659.05 and 2,722.46 is: 4,084.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,105.01 : 10,659.05 = 2,722.46 : x
  2. Step 2: Convert to fraction form
    7,105.01/10,659.05 = 2,722.46/x
  3. Step 3: Cross multiply
    7,105.01x = 10,659.05 × 2,722.46
  4. Step 4: Simplify right side
    7,105.01x = 29,018,837.26
  5. Step 5: Solve for x
    x = 29,018,837.26/7,105.01
  6. Step 6: Final answer
    x = 4,084.28

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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.