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Finding the Fourth Proportional to 3,892.66, 5,832.26 and 2,623.84

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Solution

The fourth proportional to 3,892.66, 5,832.26 and 2,623.84 is: 3,931.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,892.66 : 5,832.26 = 2,623.84 : x
  2. Step 2: Convert to fraction form
    3,892.66/5,832.26 = 2,623.84/x
  3. Step 3: Cross multiply
    3,892.66x = 5,832.26 × 2,623.84
  4. Step 4: Simplify right side
    3,892.66x = 15,302,917.08
  5. Step 5: Solve for x
    x = 15,302,917.08/3,892.66
  6. Step 6: Final answer
    x = 3,931.22

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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.