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Finding the Fourth Proportional to 2,647.51, 3,652.52 and 1,850.62

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Solution

The fourth proportional to 2,647.51, 3,652.52 and 1,850.62 is: 2,553.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,647.51 : 3,652.52 = 1,850.62 : x
  2. Step 2: Convert to fraction form
    2,647.51/3,652.52 = 1,850.62/x
  3. Step 3: Cross multiply
    2,647.51x = 3,652.52 × 1,850.62
  4. Step 4: Simplify right side
    2,647.51x = 6,759,426.56
  5. Step 5: Solve for x
    x = 6,759,426.56/2,647.51
  6. Step 6: Final answer
    x = 2,553.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.