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Finding the Fourth Proportional to 7,918.49, 11,873.02 and 2,652.22

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Solution

The fourth proportional to 7,918.49, 11,873.02 and 2,652.22 is: 3,976.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,918.49 : 11,873.02 = 2,652.22 : x
  2. Step 2: Convert to fraction form
    7,918.49/11,873.02 = 2,652.22/x
  3. Step 3: Cross multiply
    7,918.49x = 11,873.02 × 2,652.22
  4. Step 4: Simplify right side
    7,918.49x = 31,489,861.10
  5. Step 5: Solve for x
    x = 31,489,861.10/7,918.49
  6. Step 6: Final answer
    x = 3,976.75

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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.